Finding the Fourth Proportional to 1,547,697.75, 2,319,446.92 and 873,445.65
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Solution
The fourth proportional to 1,547,697.75, 2,319,446.92 and 873,445.65 is: 1,308,983.50
Step by Step Solution
- Step 1: Write the proportion equation
1,547,697.75 : 2,319,446.92 = 873,445.65 : x - Step 2: Convert to fraction form
1,547,697.75/2,319,446.92 = 873,445.65/x - Step 3: Cross multiply
1,547,697.75x = 2,319,446.92 × 873,445.65 - Step 4: Simplify right side
1,547,697.75x = 2,025,910,822,679.90 - Step 5: Solve for x
x = 2,025,910,822,679.90/1,547,697.75 - Step 6: Final answer
x = 1,308,983.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.