Finding the Fourth Proportional to 1,451,359.92, 2,176,755.57 and 1,379,347.68
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Solution
The fourth proportional to 1,451,359.92, 2,176,755.57 and 1,379,347.68 is: 2,068,751.32
Step by Step Solution
- Step 1: Write the proportion equation
1,451,359.92 : 2,176,755.57 = 1,379,347.68 : x - Step 2: Convert to fraction form
1,451,359.92/2,176,755.57 = 1,379,347.68/x - Step 3: Cross multiply
1,451,359.92x = 2,176,755.57 × 1,379,347.68 - Step 4: Simplify right side
1,451,359.92x = 3,002,502,745,406.58 - Step 5: Solve for x
x = 3,002,502,745,406.58/1,451,359.92 - Step 6: Final answer
x = 2,068,751.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.