Finding the Fourth Proportional to 2,745,531.60, 3,787,552.08 and 1,727,497.68
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Solution
The fourth proportional to 2,745,531.60, 3,787,552.08 and 1,727,497.68 is: 2,383,140.46
Step by Step Solution
- Step 1: Write the proportion equation
2,745,531.60 : 3,787,552.08 = 1,727,497.68 : x - Step 2: Convert to fraction form
2,745,531.60/3,787,552.08 = 1,727,497.68/x - Step 3: Cross multiply
2,745,531.60x = 3,787,552.08 × 1,727,497.68 - Step 4: Simplify right side
2,745,531.60x = 6,542,987,431,079.17 - Step 5: Solve for x
x = 6,542,987,431,079.17/2,745,531.60 - Step 6: Final answer
x = 2,383,140.46
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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.