Finding the Fourth Proportional to 5,542,471.76, 8,313,708.15 and 1,651,989.20
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Solution
The fourth proportional to 5,542,471.76, 8,313,708.15 and 1,651,989.20 is: 2,477,983.95
Step by Step Solution
- Step 1: Write the proportion equation
5,542,471.76 : 8,313,708.15 = 1,651,989.20 : x - Step 2: Convert to fraction form
5,542,471.76/8,313,708.15 = 1,651,989.20/x - Step 3: Cross multiply
5,542,471.76x = 8,313,708.15 × 1,651,989.20 - Step 4: Simplify right side
5,542,471.76x = 13,734,156,034,183.44 - Step 5: Solve for x
x = 13,734,156,034,183.44/5,542,471.76 - Step 6: Final answer
x = 2,477,983.95
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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.