Finding the Fourth Proportional to 1,944,337.20, 2,916,505.80 and 1,147,175.70
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Solution
The fourth proportional to 1,944,337.20, 2,916,505.80 and 1,147,175.70 is: 1,720,763.55
Step by Step Solution
- Step 1: Write the proportion equation
1,944,337.20 : 2,916,505.80 = 1,147,175.70 : x - Step 2: Convert to fraction form
1,944,337.20/2,916,505.80 = 1,147,175.70/x - Step 3: Cross multiply
1,944,337.20x = 2,916,505.80 × 1,147,175.70 - Step 4: Simplify right side
1,944,337.20x = 3,345,744,582,669.06 - Step 5: Solve for x
x = 3,345,744,582,669.06/1,944,337.20 - Step 6: Final answer
x = 1,720,763.55
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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.