Home / 2,184,138.30-3,276,207.45-764,337.90

Finding the Fourth Proportional to 2,184,138.30, 3,276,207.45 and 764,337.90

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Solution

The fourth proportional to 2,184,138.30, 3,276,207.45 and 764,337.90 is: 1,146,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,138.30 : 3,276,207.45 = 764,337.90 : x
  2. Step 2: Convert to fraction form
    2,184,138.30/3,276,207.45 = 764,337.90/x
  3. Step 3: Cross multiply
    2,184,138.30x = 3,276,207.45 × 764,337.90
  4. Step 4: Simplify right side
    2,184,138.30x = 2,504,129,522,297.36
  5. Step 5: Solve for x
    x = 2,504,129,522,297.36/2,184,138.30
  6. Step 6: Final answer
    x = 1,146,506.85

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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.