1. Finding the interest rate and the number of years The future value and present value equations also help in finding the interest rate and the number of years that correspond to present and future value calculations If a security currently worth $5,600 will be worth $8,228.24 five years in the future, what is the implied interest rate the investor will ear on the security assuming that no additional deposits or withdrawals are made? 0.29% 1.47% 6.40% 8.00%