Home / 2,099,419.68-3,149,629.20-679,475.76

Finding the Fourth Proportional to 2,099,419.68, 3,149,629.20 and 679,475.76

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Solution

The fourth proportional to 2,099,419.68, 3,149,629.20 and 679,475.76 is: 1,019,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,419.68 : 3,149,629.20 = 679,475.76 : x
  2. Step 2: Convert to fraction form
    2,099,419.68/3,149,629.20 = 679,475.76/x
  3. Step 3: Cross multiply
    2,099,419.68x = 3,149,629.20 × 679,475.76
  4. Step 4: Simplify right side
    2,099,419.68x = 2,140,096,694,388.19
  5. Step 5: Solve for x
    x = 2,140,096,694,388.19/2,099,419.68
  6. Step 6: Final answer
    x = 1,019,375.36

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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.