Home / 2,147,171.60-3,221,146.20-885,126.80

Finding the Fourth Proportional to 2,147,171.60, 3,221,146.20 and 885,126.80

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Solution

The fourth proportional to 2,147,171.60, 3,221,146.20 and 885,126.80 is: 1,327,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,171.60 : 3,221,146.20 = 885,126.80 : x
  2. Step 2: Convert to fraction form
    2,147,171.60/3,221,146.20 = 885,126.80/x
  3. Step 3: Cross multiply
    2,147,171.60x = 3,221,146.20 × 885,126.80
  4. Step 4: Simplify right side
    2,147,171.60x = 2,851,122,828,338.16
  5. Step 5: Solve for x
    x = 2,851,122,828,338.16/2,147,171.60
  6. Step 6: Final answer
    x = 1,327,850.47

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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.