Finding the Fourth Proportional to 7,073,815.92, 9,761,864.20 and 3,854,551.92
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Solution
The fourth proportional to 7,073,815.92, 9,761,864.20 and 3,854,551.92 is: 5,319,280.69
Step by Step Solution
- Step 1: Write the proportion equation
7,073,815.92 : 9,761,864.20 = 3,854,551.92 : x - Step 2: Convert to fraction form
7,073,815.92/9,761,864.20 = 3,854,551.92/x - Step 3: Cross multiply
7,073,815.92x = 9,761,864.20 × 3,854,551.92 - Step 4: Simplify right side
7,073,815.92x = 37,627,612,394,889.26 - Step 5: Solve for x
x = 37,627,612,394,889.26/7,073,815.92 - Step 6: Final answer
x = 5,319,280.69
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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.