Finding the Fourth Proportional to 4,940,988.73, 6,818,562.92 and 2,765,531.30
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Solution
The fourth proportional to 4,940,988.73, 6,818,562.92 and 2,765,531.30 is: 3,816,432.34
Step by Step Solution
- Step 1: Write the proportion equation
4,940,988.73 : 6,818,562.92 = 2,765,531.30 : x - Step 2: Convert to fraction form
4,940,988.73/6,818,562.92 = 2,765,531.30/x - Step 3: Cross multiply
4,940,988.73x = 6,818,562.92 × 2,765,531.30 - Step 4: Simplify right side
4,940,988.73x = 18,856,949,149,100.41 - Step 5: Solve for x
x = 18,856,949,149,100.41/4,940,988.73 - Step 6: Final answer
x = 3,816,432.34
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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.