Home / 7,170,469.60-10,753,630.80-2,620,991.20

Finding the Fourth Proportional to 7,170,469.60, 10,753,630.80 and 2,620,991.20

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Solution

The fourth proportional to 7,170,469.60, 10,753,630.80 and 2,620,991.20 is: 3,930,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,469.60 : 10,753,630.80 = 2,620,991.20 : x
  2. Step 2: Convert to fraction form
    7,170,469.60/10,753,630.80 = 2,620,991.20/x
  3. Step 3: Cross multiply
    7,170,469.60x = 10,753,630.80 × 2,620,991.20
  4. Step 4: Simplify right side
    7,170,469.60x = 28,185,171,694,848.96
  5. Step 5: Solve for x
    x = 28,185,171,694,848.96/7,170,469.60
  6. Step 6: Final answer
    x = 3,930,728.85

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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.