Home / 2,138,791.37-3,207,119.57-699,287.27

Finding the Fourth Proportional to 2,138,791.37, 3,207,119.57 and 699,287.27

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Solution

The fourth proportional to 2,138,791.37, 3,207,119.57 and 699,287.27 is: 1,048,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,791.37 : 3,207,119.57 = 699,287.27 : x
  2. Step 2: Convert to fraction form
    2,138,791.37/3,207,119.57 = 699,287.27/x
  3. Step 3: Cross multiply
    2,138,791.37x = 3,207,119.57 × 699,287.27
  4. Step 4: Simplify right side
    2,138,791.37x = 2,242,697,885,172.44
  5. Step 5: Solve for x
    x = 2,242,697,885,172.44/2,138,791.37
  6. Step 6: Final answer
    x = 1,048,581.88

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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.