Home / 3,321,818.80-4,982,728.20-3,155,930.80

Finding the Fourth Proportional to 3,321,818.80, 4,982,728.20 and 3,155,930.80

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Solution

The fourth proportional to 3,321,818.80, 4,982,728.20 and 3,155,930.80 is: 4,733,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,818.80 : 4,982,728.20 = 3,155,930.80 : x
  2. Step 2: Convert to fraction form
    3,321,818.80/4,982,728.20 = 3,155,930.80/x
  3. Step 3: Cross multiply
    3,321,818.80x = 4,982,728.20 × 3,155,930.80
  4. Step 4: Simplify right side
    3,321,818.80x = 15,725,145,394,408.56
  5. Step 5: Solve for x
    x = 15,725,145,394,408.56/3,321,818.80
  6. Step 6: Final answer
    x = 4,733,896.20

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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.