Finding the Fourth Proportional to 1,635,756.12, 2,453,446.46 and 437,771.91
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Solution
The fourth proportional to 1,635,756.12, 2,453,446.46 and 437,771.91 is: 656,607.62
Step by Step Solution
- Step 1: Write the proportion equation
1,635,756.12 : 2,453,446.46 = 437,771.91 : x - Step 2: Convert to fraction form
1,635,756.12/2,453,446.46 = 437,771.91/x - Step 3: Cross multiply
1,635,756.12x = 2,453,446.46 × 437,771.91 - Step 4: Simplify right side
1,635,756.12x = 1,074,049,940,688.08 - Step 5: Solve for x
x = 1,074,049,940,688.08/1,635,756.12 - Step 6: Final answer
x = 656,607.62
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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.