Home / 2,786,452.32-4,179,682.08-764,723.84

Finding the Fourth Proportional to 2,786,452.32, 4,179,682.08 and 764,723.84

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Solution

The fourth proportional to 2,786,452.32, 4,179,682.08 and 764,723.84 is: 1,147,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,452.32 : 4,179,682.08 = 764,723.84 : x
  2. Step 2: Convert to fraction form
    2,786,452.32/4,179,682.08 = 764,723.84/x
  3. Step 3: Cross multiply
    2,786,452.32x = 4,179,682.08 × 764,723.84
  4. Step 4: Simplify right side
    2,786,452.32x = 3,196,302,530,196.79
  5. Step 5: Solve for x
    x = 3,196,302,530,196.79/2,786,452.32
  6. Step 6: Final answer
    x = 1,147,086.75

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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.