Mr Saver invests some money at t=0 into a savings account that pays a nominal rate of R convertible quarterly. The dollar value of the interest he earns over the time period between t=0 and t=3 is 63127 times the dollar value of the interest he earns over the time period between t=0 to t=1.5. Find the exact value of R, assuming that it is positive. Simplify your answer as much as possible. [5]