Finding the Fourth Proportional to 1,939,987.92, 2,676,909.06 and 1,101,750.96
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Solution
The fourth proportional to 1,939,987.92, 2,676,909.06 and 1,101,750.96 is: 1,520,260.56
Step by Step Solution
- Step 1: Write the proportion equation
1,939,987.92 : 2,676,909.06 = 1,101,750.96 : x - Step 2: Convert to fraction form
1,939,987.92/2,676,909.06 = 1,101,750.96/x - Step 3: Cross multiply
1,939,987.92x = 2,676,909.06 × 1,101,750.96 - Step 4: Simplify right side
1,939,987.92x = 2,949,287,126,687.70 - Step 5: Solve for x
x = 2,949,287,126,687.70/1,939,987.92 - Step 6: Final answer
x = 1,520,260.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.