Finding the Fourth Proportional to 4,138,672.20, 6,204,314.70 and 1,613,740.20
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Solution
The fourth proportional to 4,138,672.20, 6,204,314.70 and 1,613,740.20 is: 2,419,170.10
Step by Step Solution
- Step 1: Write the proportion equation
4,138,672.20 : 6,204,314.70 = 1,613,740.20 : x - Step 2: Convert to fraction form
4,138,672.20/6,204,314.70 = 1,613,740.20/x - Step 3: Cross multiply
4,138,672.20x = 6,204,314.70 × 1,613,740.20 - Step 4: Simplify right side
4,138,672.20x = 10,012,152,044,840.94 - Step 5: Solve for x
x = 10,012,152,044,840.94/4,138,672.20 - Step 6: Final answer
x = 2,419,170.10
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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.