Finding the Fourth Proportional to 3,747,535.80, 5,171,635.02 and 2,198,823.80
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Solution
The fourth proportional to 3,747,535.80, 5,171,635.02 and 2,198,823.80 is: 3,034,397.74
Step by Step Solution
- Step 1: Write the proportion equation
3,747,535.80 : 5,171,635.02 = 2,198,823.80 : x - Step 2: Convert to fraction form
3,747,535.80/5,171,635.02 = 2,198,823.80/x - Step 3: Cross multiply
3,747,535.80x = 5,171,635.02 × 2,198,823.80 - Step 4: Simplify right side
3,747,535.80x = 11,371,514,166,889.47 - Step 5: Solve for x
x = 11,371,514,166,889.47/3,747,535.80 - Step 6: Final answer
x = 3,034,397.74
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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.