Finding the Fourth Proportional to 1,819,819.40, 2,729,630.66 and 557,650.66
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Solution
The fourth proportional to 1,819,819.40, 2,729,630.66 and 557,650.66 is: 836,445.82
Step by Step Solution
- Step 1: Write the proportion equation
1,819,819.40 : 2,729,630.66 = 557,650.66 : x - Step 2: Convert to fraction form
1,819,819.40/2,729,630.66 = 557,650.66/x - Step 3: Cross multiply
1,819,819.40x = 2,729,630.66 × 557,650.66 - Step 4: Simplify right side
1,819,819.40x = 1,522,180,339,105.24 - Step 5: Solve for x
x = 1,522,180,339,105.24/1,819,819.40 - Step 6: Final answer
x = 836,445.82
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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.