Home / 3,189,998.97-4,786,990.38-2,125,787.76

Finding the Fourth Proportional to 3,189,998.97, 4,786,990.38 and 2,125,787.76

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Solution

The fourth proportional to 3,189,998.97, 4,786,990.38 and 2,125,787.76 is: 3,190,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,998.97 : 4,786,990.38 = 2,125,787.76 : x
  2. Step 2: Convert to fraction form
    3,189,998.97/4,786,990.38 = 2,125,787.76/x
  3. Step 3: Cross multiply
    3,189,998.97x = 4,786,990.38 × 2,125,787.76
  4. Step 4: Simplify right side
    3,189,998.97x = 10,176,125,557,041.75
  5. Step 5: Solve for x
    x = 10,176,125,557,041.75/3,189,998.97
  6. Step 6: Final answer
    x = 3,190,009.04

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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.