Finding the Fourth Proportional to 5,423,775.40, 7,484,901.92 and 2,976,614.14
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Solution
The fourth proportional to 5,423,775.40, 7,484,901.92 and 2,976,614.14 is: 4,107,777.93
Step by Step Solution
- Step 1: Write the proportion equation
5,423,775.40 : 7,484,901.92 = 2,976,614.14 : x - Step 2: Convert to fraction form
5,423,775.40/7,484,901.92 = 2,976,614.14/x - Step 3: Cross multiply
5,423,775.40x = 7,484,901.92 × 2,976,614.14 - Step 4: Simplify right side
5,423,775.40x = 22,279,664,891,585.15 - Step 5: Solve for x
x = 22,279,664,891,585.15/5,423,775.40 - Step 6: Final answer
x = 4,107,777.93
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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.