Finding the Fourth Proportional to 4,772,287.91, 7,159,553.03 and 1,577,414.09
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Solution
The fourth proportional to 4,772,287.91, 7,159,553.03 and 1,577,414.09 is: 2,366,491.72
Step by Step Solution
- Step 1: Write the proportion equation
4,772,287.91 : 7,159,553.03 = 1,577,414.09 : x - Step 2: Convert to fraction form
4,772,287.91/7,159,553.03 = 1,577,414.09/x - Step 3: Cross multiply
4,772,287.91x = 7,159,553.03 × 1,577,414.09 - Step 4: Simplify right side
4,772,287.91x = 11,293,579,791,826.43 - Step 5: Solve for x
x = 11,293,579,791,826.43/4,772,287.91 - Step 6: Final answer
x = 2,366,491.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.