Finding the Fourth Proportional to 2,981,013.80, 4,471,520.70 and 737,151.80
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Solution
The fourth proportional to 2,981,013.80, 4,471,520.70 and 737,151.80 is: 1,105,727.70
Step by Step Solution
- Step 1: Write the proportion equation
2,981,013.80 : 4,471,520.70 = 737,151.80 : x - Step 2: Convert to fraction form
2,981,013.80/4,471,520.70 = 737,151.80/x - Step 3: Cross multiply
2,981,013.80x = 4,471,520.70 × 737,151.80 - Step 4: Simplify right side
2,981,013.80x = 3,296,189,532,742.26 - Step 5: Solve for x
x = 3,296,189,532,742.26/2,981,013.80 - Step 6: Final answer
x = 1,105,727.70
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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.