Finding the Fourth Proportional to 4,653,239.28, 6,421,470.36 and 2,721,123.36
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Solution
The fourth proportional to 4,653,239.28, 6,421,470.36 and 2,721,123.36 is: 3,755,150.33
Step by Step Solution
- Step 1: Write the proportion equation
4,653,239.28 : 6,421,470.36 = 2,721,123.36 : x - Step 2: Convert to fraction form
4,653,239.28/6,421,470.36 = 2,721,123.36/x - Step 3: Cross multiply
4,653,239.28x = 6,421,470.36 × 2,721,123.36 - Step 4: Simplify right side
4,653,239.28x = 17,473,613,002,143.61 - Step 5: Solve for x
x = 17,473,613,002,143.61/4,653,239.28 - Step 6: Final answer
x = 3,755,150.33
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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.