Finding the Fourth Proportional to 4,861,331.60, 7,278,000.60 and 4,357,446.80
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Solution
The fourth proportional to 4,861,331.60, 7,278,000.60 and 4,357,446.80 is: 6,523,624.19
Step by Step Solution
- Step 1: Write the proportion equation
4,861,331.60 : 7,278,000.60 = 4,357,446.80 : x - Step 2: Convert to fraction form
4,861,331.60/7,278,000.60 = 4,357,446.80/x - Step 3: Cross multiply
4,861,331.60x = 7,278,000.60 × 4,357,446.80 - Step 4: Simplify right side
4,861,331.60x = 31,713,500,424,868.08 - Step 5: Solve for x
x = 31,713,500,424,868.08/4,861,331.60 - Step 6: Final answer
x = 6,523,624.19
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1.5x scale
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.