Finding the Fourth Proportional to 5,695,431.61, 7,859,716.45 and 3,081,935.71
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Solution
The fourth proportional to 5,695,431.61, 7,859,716.45 and 3,081,935.71 is: 4,253,082.55
Step by Step Solution
- Step 1: Write the proportion equation
5,695,431.61 : 7,859,716.45 = 3,081,935.71 : x - Step 2: Convert to fraction form
5,695,431.61/7,859,716.45 = 3,081,935.71/x - Step 3: Cross multiply
5,695,431.61x = 7,859,716.45 × 3,081,935.71 - Step 4: Simplify right side
5,695,431.61x = 24,223,140,799,849.24 - Step 5: Solve for x
x = 24,223,140,799,849.24/5,695,431.61 - Step 6: Final answer
x = 4,253,082.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.