Home / 2,720,184.65-4,080,129.38-826,778.46

Finding the Fourth Proportional to 2,720,184.65, 4,080,129.38 and 826,778.46

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Solution

The fourth proportional to 2,720,184.65, 4,080,129.38 and 826,778.46 is: 1,240,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,184.65 : 4,080,129.38 = 826,778.46 : x
  2. Step 2: Convert to fraction form
    2,720,184.65/4,080,129.38 = 826,778.46/x
  3. Step 3: Cross multiply
    2,720,184.65x = 4,080,129.38 × 826,778.46
  4. Step 4: Simplify right side
    2,720,184.65x = 3,373,363,085,397.16
  5. Step 5: Solve for x
    x = 3,373,363,085,397.16/2,720,184.65
  6. Step 6: Final answer
    x = 1,240,122.83

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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.