Home / 2,099,789.96-3,150,186.66-679,847.60

Finding the Fourth Proportional to 2,099,789.96, 3,150,186.66 and 679,847.60

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Solution

The fourth proportional to 2,099,789.96, 3,150,186.66 and 679,847.60 is: 1,019,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,789.96 : 3,150,186.66 = 679,847.60 : x
  2. Step 2: Convert to fraction form
    2,099,789.96/3,150,186.66 = 679,847.60/x
  3. Step 3: Cross multiply
    2,099,789.96x = 3,150,186.66 × 679,847.60
  4. Step 4: Simplify right side
    2,099,789.96x = 2,141,646,840,353.02
  5. Step 5: Solve for x
    x = 2,141,646,840,353.02/2,099,789.96
  6. Step 6: Final answer
    x = 1,019,933.84

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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.