Home / 6,474,121.20-8,928,802.20-3,895,320.12

Finding the Fourth Proportional to 6,474,121.20, 8,928,802.20 and 3,895,320.12

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Solution

The fourth proportional to 6,474,121.20, 8,928,802.20 and 3,895,320.12 is: 5,372,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,121.20 : 8,928,802.20 = 3,895,320.12 : x
  2. Step 2: Convert to fraction form
    6,474,121.20/8,928,802.20 = 3,895,320.12/x
  3. Step 3: Cross multiply
    6,474,121.20x = 8,928,802.20 × 3,895,320.12
  4. Step 4: Simplify right side
    6,474,121.20x = 34,780,542,857,160.26
  5. Step 5: Solve for x
    x = 34,780,542,857,160.26/6,474,121.20
  6. Step 6: Final answer
    x = 5,372,241.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.