Home / 2,214,125.40-3,321,188.10-1,267,591.80

Finding the Fourth Proportional to 2,214,125.40, 3,321,188.10 and 1,267,591.80

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Solution

The fourth proportional to 2,214,125.40, 3,321,188.10 and 1,267,591.80 is: 1,901,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,125.40 : 3,321,188.10 = 1,267,591.80 : x
  2. Step 2: Convert to fraction form
    2,214,125.40/3,321,188.10 = 1,267,591.80/x
  3. Step 3: Cross multiply
    2,214,125.40x = 3,321,188.10 × 1,267,591.80
  4. Step 4: Simplify right side
    2,214,125.40x = 4,209,910,801,817.58
  5. Step 5: Solve for x
    x = 4,209,910,801,817.58/2,214,125.40
  6. Step 6: Final answer
    x = 1,901,387.70

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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.