Home / 2,720,366.40-4,080,778.02-827,124.24

Finding the Fourth Proportional to 2,720,366.40, 4,080,778.02 and 827,124.24

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Solution

The fourth proportional to 2,720,366.40, 4,080,778.02 and 827,124.24 is: 1,240,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,366.40 : 4,080,778.02 = 827,124.24 : x
  2. Step 2: Convert to fraction form
    2,720,366.40/4,080,778.02 = 827,124.24/x
  3. Step 3: Cross multiply
    2,720,366.40x = 4,080,778.02 × 827,124.24
  4. Step 4: Simplify right side
    2,720,366.40x = 3,375,310,418,401.20
  5. Step 5: Solve for x
    x = 3,375,310,418,401.20/2,720,366.40
  6. Step 6: Final answer
    x = 1,240,755.81

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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.