Finding the Fourth Proportional to 4,914,612.87, 7,375,240.84 and 1,719,766.73
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Solution
The fourth proportional to 4,914,612.87, 7,375,240.84 and 1,719,766.73 is: 2,580,812.40
Step by Step Solution
- Step 1: Write the proportion equation
4,914,612.87 : 7,375,240.84 = 1,719,766.73 : x - Step 2: Convert to fraction form
4,914,612.87/7,375,240.84 = 1,719,766.73/x - Step 3: Cross multiply
4,914,612.87x = 7,375,240.84 × 1,719,766.73 - Step 4: Simplify right side
4,914,612.87x = 12,683,693,822,369.25 - Step 5: Solve for x
x = 12,683,693,822,369.25/4,914,612.87 - Step 6: Final answer
x = 2,580,812.40
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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.