Finding the Fourth Proportional to 5,490,520.68, 8,234,769.42 and 2,294,789.16
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Solution
The fourth proportional to 5,490,520.68, 8,234,769.42 and 2,294,789.16 is: 3,441,760.94
Step by Step Solution
- Step 1: Write the proportion equation
5,490,520.68 : 8,234,769.42 = 2,294,789.16 : x - Step 2: Convert to fraction form
5,490,520.68/8,234,769.42 = 2,294,789.16/x - Step 3: Cross multiply
5,490,520.68x = 8,234,769.42 × 2,294,789.16 - Step 4: Simplify right side
5,490,520.68x = 18,897,059,600,115.49 - Step 5: Solve for x
x = 18,897,059,600,115.49/5,490,520.68 - Step 6: Final answer
x = 3,441,760.94
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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.