Finding the Fourth Proportional to 2,238,613.20, 3,357,263.70 and 1,040,246.55
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Solution
The fourth proportional to 2,238,613.20, 3,357,263.70 and 1,040,246.55 is: 1,560,064.95
Step by Step Solution
- Step 1: Write the proportion equation
2,238,613.20 : 3,357,263.70 = 1,040,246.55 : x - Step 2: Convert to fraction form
2,238,613.20/3,357,263.70 = 1,040,246.55/x - Step 3: Cross multiply
2,238,613.20x = 3,357,263.70 × 1,040,246.55 - Step 4: Simplify right side
2,238,613.20x = 3,492,381,981,365.24 - Step 5: Solve for x
x = 3,492,381,981,365.24/2,238,613.20 - Step 6: Final answer
x = 1,560,064.95
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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.