A firm has current assets that could be sold for their book value of $7,000,000. The book value of its fixed assets is $3,000,000, but they could be sold for $6,000,000 today. The firm has total debt at a book value of $1,500,000, but interest rate changes have increased the value of the debt to a current market value of $3,000,000. This firm's equity market-to-book ratio is ________.