Home / 4,745,286.80-7,117,930.20-3,947,469.20

Finding the Fourth Proportional to 4,745,286.80, 7,117,930.20 and 3,947,469.20

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Solution

The fourth proportional to 4,745,286.80, 7,117,930.20 and 3,947,469.20 is: 5,921,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,286.80 : 7,117,930.20 = 3,947,469.20 : x
  2. Step 2: Convert to fraction form
    4,745,286.80/7,117,930.20 = 3,947,469.20/x
  3. Step 3: Cross multiply
    4,745,286.80x = 7,117,930.20 × 3,947,469.20
  4. Step 4: Simplify right side
    4,745,286.80x = 28,097,810,232,249.84
  5. Step 5: Solve for x
    x = 28,097,810,232,249.84/4,745,286.80
  6. Step 6: Final answer
    x = 5,921,203.80

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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.