Finding the Fourth Proportional to 4,349,423.60, 6,517,720.20 and 3,153,863.60
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Solution
The fourth proportional to 4,349,423.60, 6,517,720.20 and 3,153,863.60 is: 4,726,143.60
Step by Step Solution
- Step 1: Write the proportion equation
4,349,423.60 : 6,517,720.20 = 3,153,863.60 : x - Step 2: Convert to fraction form
4,349,423.60/6,517,720.20 = 3,153,863.60/x - Step 3: Cross multiply
4,349,423.60x = 6,517,720.20 × 3,153,863.60 - Step 4: Simplify right side
4,349,423.60x = 20,556,000,493,764.72 - Step 5: Solve for x
x = 20,556,000,493,764.72/4,349,423.60 - Step 6: Final answer
x = 4,726,143.60
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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.