Finding the Fourth Proportional to 2,438,084.20, 3,657,366.81 and 840,436.96
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Solution
The fourth proportional to 2,438,084.20, 3,657,366.81 and 840,436.96 is: 1,260,738.35
Step by Step Solution
- Step 1: Write the proportion equation
2,438,084.20 : 3,657,366.81 = 840,436.96 : x - Step 2: Convert to fraction form
2,438,084.20/3,657,366.81 = 840,436.96/x - Step 3: Cross multiply
2,438,084.20x = 3,657,366.81 × 840,436.96 - Step 4: Simplify right side
2,438,084.20x = 3,073,786,243,401.30 - Step 5: Solve for x
x = 3,073,786,243,401.30/2,438,084.20 - Step 6: Final answer
x = 1,260,738.35
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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.