Home / 1,812,182.76-2,500,840.98-996,422.04

Finding the Fourth Proportional to 1,812,182.76, 2,500,840.98 and 996,422.04

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Solution

The fourth proportional to 1,812,182.76, 2,500,840.98 and 996,422.04 is: 1,375,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,182.76 : 2,500,840.98 = 996,422.04 : x
  2. Step 2: Convert to fraction form
    1,812,182.76/2,500,840.98 = 996,422.04/x
  3. Step 3: Cross multiply
    1,812,182.76x = 2,500,840.98 × 996,422.04
  4. Step 4: Simplify right side
    1,812,182.76x = 2,491,893,071,007.20
  5. Step 5: Solve for x
    x = 2,491,893,071,007.20/1,812,182.76
  6. Step 6: Final answer
    x = 1,375,078.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.