Finding the Fourth Proportional to 2,720,373.15, 4,080,788.16 and 827,130.99
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Solution
The fourth proportional to 2,720,373.15, 4,080,788.16 and 827,130.99 is: 1,240,765.94
Step by Step Solution
- Step 1: Write the proportion equation
2,720,373.15 : 4,080,788.16 = 827,130.99 : x - Step 2: Convert to fraction form
2,720,373.15/4,080,788.16 = 827,130.99/x - Step 3: Cross multiply
2,720,373.15x = 4,080,788.16 × 827,130.99 - Step 4: Simplify right side
2,720,373.15x = 3,375,346,350,761.08 - Step 5: Solve for x
x = 3,375,346,350,761.08/2,720,373.15 - Step 6: Final answer
x = 1,240,765.94
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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.