Finding the Fourth Proportional to 5,381,414.72, 7,426,252.35 and 2,934,046.91
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Solution
The fourth proportional to 5,381,414.72, 7,426,252.35 and 2,934,046.91 is: 4,048,930.23
Step by Step Solution
- Step 1: Write the proportion equation
5,381,414.72 : 7,426,252.35 = 2,934,046.91 : x - Step 2: Convert to fraction form
5,381,414.72/7,426,252.35 = 2,934,046.91/x - Step 3: Cross multiply
5,381,414.72x = 7,426,252.35 × 2,934,046.91 - Step 4: Simplify right side
5,381,414.72x = 21,788,972,760,397.74 - Step 5: Solve for x
x = 21,788,972,760,397.74/5,381,414.72 - Step 6: Final answer
x = 4,048,930.23
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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.