Finding the Fourth Proportional to 5,371,103.71, 7,412,217.42 and 2,923,785.10
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Solution
The fourth proportional to 5,371,103.71, 7,412,217.42 and 2,923,785.10 is: 4,034,874.77
Step by Step Solution
- Step 1: Write the proportion equation
5,371,103.71 : 7,412,217.42 = 2,923,785.10 : x - Step 2: Convert to fraction form
5,371,103.71/7,412,217.42 = 2,923,785.10/x - Step 3: Cross multiply
5,371,103.71x = 7,412,217.42 × 2,923,785.10 - Step 4: Simplify right side
5,371,103.71x = 21,671,730,850,556.44 - Step 5: Solve for x
x = 21,671,730,850,556.44/5,371,103.71 - Step 6: Final answer
x = 4,034,874.77
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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.