Home / 2,720,371.65-4,080,785.91-827,129.49

Finding the Fourth Proportional to 2,720,371.65, 4,080,785.91 and 827,129.49

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Solution

The fourth proportional to 2,720,371.65, 4,080,785.91 and 827,129.49 is: 1,240,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,371.65 : 4,080,785.91 = 827,129.49 : x
  2. Step 2: Convert to fraction form
    2,720,371.65/4,080,785.91 = 827,129.49/x
  3. Step 3: Cross multiply
    2,720,371.65x = 4,080,785.91 × 827,129.49
  4. Step 4: Simplify right side
    2,720,371.65x = 3,375,338,368,537.49
  5. Step 5: Solve for x
    x = 3,375,338,368,537.49/2,720,371.65
  6. Step 6: Final answer
    x = 1,240,763.69

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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.