Home / 2,119,487.82-3,179,727.90-699,542.53

Finding the Fourth Proportional to 2,119,487.82, 3,179,727.90 and 699,542.53

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Solution

The fourth proportional to 2,119,487.82, 3,179,727.90 and 699,542.53 is: 1,049,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,487.82 : 3,179,727.90 = 699,542.53 : x
  2. Step 2: Convert to fraction form
    2,119,487.82/3,179,727.90 = 699,542.53/x
  3. Step 3: Cross multiply
    2,119,487.82x = 3,179,727.90 × 699,542.53
  4. Step 4: Simplify right side
    2,119,487.82x = 2,224,354,891,928.27
  5. Step 5: Solve for x
    x = 2,224,354,891,928.27/2,119,487.82
  6. Step 6: Final answer
    x = 1,049,477.56

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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.