Home / 2,191,297.86-3,287,694.11-1,180,523.52

Finding the Fourth Proportional to 2,191,297.86, 3,287,694.11 and 1,180,523.52

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Solution

The fourth proportional to 2,191,297.86, 3,287,694.11 and 1,180,523.52 is: 1,771,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,297.86 : 3,287,694.11 = 1,180,523.52 : x
  2. Step 2: Convert to fraction form
    2,191,297.86/3,287,694.11 = 1,180,523.52/x
  3. Step 3: Cross multiply
    2,191,297.86x = 3,287,694.11 × 1,180,523.52
  4. Step 4: Simplify right side
    2,191,297.86x = 3,881,200,217,517.85
  5. Step 5: Solve for x
    x = 3,881,200,217,517.85/2,191,297.86
  6. Step 6: Final answer
    x = 1,771,187.88

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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.