Home / 3,189,974.13-4,401,076.01-1,813,178.61

Finding the Fourth Proportional to 3,189,974.13, 4,401,076.01 and 1,813,178.61

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Solution

The fourth proportional to 3,189,974.13, 4,401,076.01 and 1,813,178.61 is: 2,501,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,974.13 : 4,401,076.01 = 1,813,178.61 : x
  2. Step 2: Convert to fraction form
    3,189,974.13/4,401,076.01 = 1,813,178.61/x
  3. Step 3: Cross multiply
    3,189,974.13x = 4,401,076.01 × 1,813,178.61
  4. Step 4: Simplify right side
    3,189,974.13x = 7,979,936,873,250.25
  5. Step 5: Solve for x
    x = 7,979,936,873,250.25/3,189,974.13
  6. Step 6: Final answer
    x = 2,501,567.90

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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.