Finding the Fourth Proportional to 3,872,930.52, 5,344,269.90 and 2,241,013.08
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Solution
The fourth proportional to 3,872,930.52, 5,344,269.90 and 2,241,013.08 is: 3,092,381.52
Step by Step Solution
- Step 1: Write the proportion equation
3,872,930.52 : 5,344,269.90 = 2,241,013.08 : x - Step 2: Convert to fraction form
3,872,930.52/5,344,269.90 = 2,241,013.08/x - Step 3: Cross multiply
3,872,930.52x = 5,344,269.90 × 2,241,013.08 - Step 4: Simplify right side
3,872,930.52x = 11,976,578,748,950.29 - Step 5: Solve for x
x = 11,976,578,748,950.29/3,872,930.52 - Step 6: Final answer
x = 3,092,381.52
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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.