Finding the Fourth Proportional to 3,651,411.68, 5,037,724.32 and 2,102,640.08
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Solution
The fourth proportional to 3,651,411.68, 5,037,724.32 and 2,102,640.08 is: 2,900,938.59
Step by Step Solution
- Step 1: Write the proportion equation
3,651,411.68 : 5,037,724.32 = 2,102,640.08 : x - Step 2: Convert to fraction form
3,651,411.68/5,037,724.32 = 2,102,640.08/x - Step 3: Cross multiply
3,651,411.68x = 5,037,724.32 × 2,102,640.08 - Step 4: Simplify right side
3,651,411.68x = 10,592,521,067,222.75 - Step 5: Solve for x
x = 10,592,521,067,222.75/3,651,411.68 - Step 6: Final answer
x = 2,900,938.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.