Finding the Fourth Proportional to 2,238,861.60, 3,356,324.10 and 1,340,660.70
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Solution
The fourth proportional to 2,238,861.60, 3,356,324.10 and 1,340,660.70 is: 2,009,812.41
Step by Step Solution
- Step 1: Write the proportion equation
2,238,861.60 : 3,356,324.10 = 1,340,660.70 : x - Step 2: Convert to fraction form
2,238,861.60/3,356,324.10 = 1,340,660.70/x - Step 3: Cross multiply
2,238,861.60x = 3,356,324.10 × 1,340,660.70 - Step 4: Simplify right side
2,238,861.60x = 4,499,691,817,332.87 - Step 5: Solve for x
x = 4,499,691,817,332.87/2,238,861.60 - Step 6: Final answer
x = 2,009,812.41
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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.