Home / 3,321,144.96-4,970,422.80-2,123,887.20

Finding the Fourth Proportional to 3,321,144.96, 4,970,422.80 and 2,123,887.20

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Solution

The fourth proportional to 3,321,144.96, 4,970,422.80 and 2,123,887.20 is: 3,178,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,144.96 : 4,970,422.80 = 2,123,887.20 : x
  2. Step 2: Convert to fraction form
    3,321,144.96/4,970,422.80 = 2,123,887.20/x
  3. Step 3: Cross multiply
    3,321,144.96x = 4,970,422.80 × 2,123,887.20
  4. Step 4: Simplify right side
    3,321,144.96x = 10,556,617,363,508.16
  5. Step 5: Solve for x
    x = 10,556,617,363,508.16/3,321,144.96
  6. Step 6: Final answer
    x = 3,178,607.83

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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.