Finding the Fourth Proportional to 4,385,471.20, 6,574,059.60 and 2,589,733.60
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Solution
The fourth proportional to 4,385,471.20, 6,574,059.60 and 2,589,733.60 is: 3,882,151.37
Step by Step Solution
- Step 1: Write the proportion equation
4,385,471.20 : 6,574,059.60 = 2,589,733.60 : x - Step 2: Convert to fraction form
4,385,471.20/6,574,059.60 = 2,589,733.60/x - Step 3: Cross multiply
4,385,471.20x = 6,574,059.60 × 2,589,733.60 - Step 4: Simplify right side
4,385,471.20x = 17,025,063,034,522.56 - Step 5: Solve for x
x = 17,025,063,034,522.56/4,385,471.20 - Step 6: Final answer
x = 3,882,151.37
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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.