Home / 2,990,177.78-4,126,179.20-1,665,500.11

Finding the Fourth Proportional to 2,990,177.78, 4,126,179.20 and 1,665,500.11

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Solution

The fourth proportional to 2,990,177.78, 4,126,179.20 and 1,665,500.11 is: 2,298,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,177.78 : 4,126,179.20 = 1,665,500.11 : x
  2. Step 2: Convert to fraction form
    2,990,177.78/4,126,179.20 = 1,665,500.11/x
  3. Step 3: Cross multiply
    2,990,177.78x = 4,126,179.20 × 1,665,500.11
  4. Step 4: Simplify right side
    2,990,177.78x = 6,872,151,912,320.52
  5. Step 5: Solve for x
    x = 6,872,151,912,320.52/2,990,177.78
  6. Step 6: Final answer
    x = 2,298,241.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.