Finding the Fourth Proportional to 4,160,793.60, 5,741,971.20 and 2,349,619.20
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Solution
The fourth proportional to 4,160,793.60, 5,741,971.20 and 2,349,619.20 is: 3,242,517.43
Step by Step Solution
- Step 1: Write the proportion equation
4,160,793.60 : 5,741,971.20 = 2,349,619.20 : x - Step 2: Convert to fraction form
4,160,793.60/5,741,971.20 = 2,349,619.20/x - Step 3: Cross multiply
4,160,793.60x = 5,741,971.20 × 2,349,619.20 - Step 4: Simplify right side
4,160,793.60x = 13,491,445,777,367.04 - Step 5: Solve for x
x = 13,491,445,777,367.04/4,160,793.60 - Step 6: Final answer
x = 3,242,517.43
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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.