Finding the Fourth Proportional to 2,981,041.68, 4,472,583.12 and 1,274,481.84
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Solution
The fourth proportional to 2,981,041.68, 4,472,583.12 and 1,274,481.84 is: 1,912,159.10
Step by Step Solution
- Step 1: Write the proportion equation
2,981,041.68 : 4,472,583.12 = 1,274,481.84 : x - Step 2: Convert to fraction form
2,981,041.68/4,472,583.12 = 1,274,481.84/x - Step 3: Cross multiply
2,981,041.68x = 4,472,583.12 × 1,274,481.84 - Step 4: Simplify right side
2,981,041.68x = 5,700,225,964,330.54 - Step 5: Solve for x
x = 5,700,225,964,330.54/2,981,041.68 - Step 6: Final answer
x = 1,912,159.10
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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.