Home / 3,121,877.69-4,679,974.65-1,201,562.90

Finding the Fourth Proportional to 3,121,877.69, 4,679,974.65 and 1,201,562.90

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Solution

The fourth proportional to 3,121,877.69, 4,679,974.65 and 1,201,562.90 is: 1,801,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,877.69 : 4,679,974.65 = 1,201,562.90 : x
  2. Step 2: Convert to fraction form
    3,121,877.69/4,679,974.65 = 1,201,562.90/x
  3. Step 3: Cross multiply
    3,121,877.69x = 4,679,974.65 × 1,201,562.90
  4. Step 4: Simplify right side
    3,121,877.69x = 5,623,283,912,380.49
  5. Step 5: Solve for x
    x = 5,623,283,912,380.49/3,121,877.69
  6. Step 6: Final answer
    x = 1,801,250.55

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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.