Finding the Fourth Proportional to 4,246,247.20, 5,861,025.36 and 2,797,000.48
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Solution
The fourth proportional to 4,246,247.20, 5,861,025.36 and 2,797,000.48 is: 3,860,653.88
Step by Step Solution
- Step 1: Write the proportion equation
4,246,247.20 : 5,861,025.36 = 2,797,000.48 : x - Step 2: Convert to fraction form
4,246,247.20/5,861,025.36 = 2,797,000.48/x - Step 3: Cross multiply
4,246,247.20x = 5,861,025.36 × 2,797,000.48 - Step 4: Simplify right side
4,246,247.20x = 16,393,290,745,212.17 - Step 5: Solve for x
x = 16,393,290,745,212.17/4,246,247.20 - Step 6: Final answer
x = 3,860,653.88
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1.5x scale
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.