Home / 2,191,529.12-3,288,032.19-1,380,972.24

Finding the Fourth Proportional to 2,191,529.12, 3,288,032.19 and 1,380,972.24

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Solution

The fourth proportional to 2,191,529.12, 3,288,032.19 and 1,380,972.24 is: 2,071,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,529.12 : 3,288,032.19 = 1,380,972.24 : x
  2. Step 2: Convert to fraction form
    2,191,529.12/3,288,032.19 = 1,380,972.24/x
  3. Step 3: Cross multiply
    2,191,529.12x = 3,288,032.19 × 1,380,972.24
  4. Step 4: Simplify right side
    2,191,529.12x = 4,540,681,178,616.41
  5. Step 5: Solve for x
    x = 4,540,681,178,616.41/2,191,529.12
  6. Step 6: Final answer
    x = 2,071,923.73

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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.