Home / 2,183,614.40-3,275,882.40-687,857.60

Finding the Fourth Proportional to 2,183,614.40, 3,275,882.40 and 687,857.60

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Solution

The fourth proportional to 2,183,614.40, 3,275,882.40 and 687,857.60 is: 1,031,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,614.40 : 3,275,882.40 = 687,857.60 : x
  2. Step 2: Convert to fraction form
    2,183,614.40/3,275,882.40 = 687,857.60/x
  3. Step 3: Cross multiply
    2,183,614.40x = 3,275,882.40 × 687,857.60
  4. Step 4: Simplify right side
    2,183,614.40x = 2,253,340,605,546.24
  5. Step 5: Solve for x
    x = 2,253,340,605,546.24/2,183,614.40
  6. Step 6: Final answer
    x = 1,031,931.56

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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.