Finding the Fourth Proportional to 2,720,672.40, 4,081,162.20 and 827,475.60
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Solution
The fourth proportional to 2,720,672.40, 4,081,162.20 and 827,475.60 is: 1,241,260.12
Step by Step Solution
- Step 1: Write the proportion equation
2,720,672.40 : 4,081,162.20 = 827,475.60 : x - Step 2: Convert to fraction form
2,720,672.40/4,081,162.20 = 827,475.60/x - Step 3: Cross multiply
2,720,672.40x = 4,081,162.20 × 827,475.60 - Step 4: Simplify right side
2,720,672.40x = 3,377,062,140,142.32 - Step 5: Solve for x
x = 3,377,062,140,142.32/2,720,672.40 - Step 6: Final answer
x = 1,241,260.12
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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.