Home / 3,321,640.40-4,984,793.40-2,126,469.20

Finding the Fourth Proportional to 3,321,640.40, 4,984,793.40 and 2,126,469.20

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Solution

The fourth proportional to 3,321,640.40, 4,984,793.40 and 2,126,469.20 is: 3,191,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,640.40 : 4,984,793.40 = 2,126,469.20 : x
  2. Step 2: Convert to fraction form
    3,321,640.40/4,984,793.40 = 2,126,469.20/x
  3. Step 3: Cross multiply
    3,321,640.40x = 4,984,793.40 × 2,126,469.20
  4. Step 4: Simplify right side
    3,321,640.40x = 10,600,009,633,463.28
  5. Step 5: Solve for x
    x = 10,600,009,633,463.28/3,321,640.40
  6. Step 6: Final answer
    x = 3,191,197.23

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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.