Home / 6,629,997.20-9,937,997.40-3,783,981.20

Finding the Fourth Proportional to 6,629,997.20, 9,937,997.40 and 3,783,981.20

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Solution

The fourth proportional to 6,629,997.20, 9,937,997.40 and 3,783,981.20 is: 5,671,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,997.20 : 9,937,997.40 = 3,783,981.20 : x
  2. Step 2: Convert to fraction form
    6,629,997.20/9,937,997.40 = 3,783,981.20/x
  3. Step 3: Cross multiply
    6,629,997.20x = 9,937,997.40 × 3,783,981.20
  4. Step 4: Simplify right side
    6,629,997.20x = 37,605,195,327,248.88
  5. Step 5: Solve for x
    x = 37,605,195,327,248.88/6,629,997.20
  6. Step 6: Final answer
    x = 5,671,977.56

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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.