Home / 2,099,406.12-3,149,608.92-679,462.20

Finding the Fourth Proportional to 2,099,406.12, 3,149,608.92 and 679,462.20

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Solution

The fourth proportional to 2,099,406.12, 3,149,608.92 and 679,462.20 is: 1,019,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,406.12 : 3,149,608.92 = 679,462.20 : x
  2. Step 2: Convert to fraction form
    2,099,406.12/3,149,608.92 = 679,462.20/x
  3. Step 3: Cross multiply
    2,099,406.12x = 3,149,608.92 × 679,462.20
  4. Step 4: Simplify right side
    2,099,406.12x = 2,140,040,205,922.82
  5. Step 5: Solve for x
    x = 2,140,040,205,922.82/2,099,406.12
  6. Step 6: Final answer
    x = 1,019,355.04

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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.