Finding the Fourth Proportional to 5,432,516.70, 8,149,868.55 and 1,594,331.70
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Solution
The fourth proportional to 5,432,516.70, 8,149,868.55 and 1,594,331.70 is: 2,391,818.47
Step by Step Solution
- Step 1: Write the proportion equation
5,432,516.70 : 8,149,868.55 = 1,594,331.70 : x - Step 2: Convert to fraction form
5,432,516.70/8,149,868.55 = 1,594,331.70/x - Step 3: Cross multiply
5,432,516.70x = 8,149,868.55 × 1,594,331.70 - Step 4: Simplify right side
5,432,516.70x = 12,993,593,780,098.04 - Step 5: Solve for x
x = 12,993,593,780,098.04/5,432,516.70 - Step 6: Final answer
x = 2,391,818.47
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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.