Finding the Fourth Proportional to 3,442,706.38, 5,163,872.68 and 1,046,364.18
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Solution
The fourth proportional to 3,442,706.38, 5,163,872.68 and 1,046,364.18 is: 1,569,489.47
Step by Step Solution
- Step 1: Write the proportion equation
3,442,706.38 : 5,163,872.68 = 1,046,364.18 : x - Step 2: Convert to fraction form
3,442,706.38/5,163,872.68 = 1,046,364.18/x - Step 3: Cross multiply
3,442,706.38x = 5,163,872.68 × 1,046,364.18 - Step 4: Simplify right side
3,442,706.38x = 5,403,291,402,432.60 - Step 5: Solve for x
x = 5,403,291,402,432.60/3,442,706.38 - Step 6: Final answer
x = 1,569,489.47
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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.