Home / 2,667,616.20-3,681,660.79-1,521,433.80

Finding the Fourth Proportional to 2,667,616.20, 3,681,660.79 and 1,521,433.80

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Solution

The fourth proportional to 2,667,616.20, 3,681,660.79 and 1,521,433.80 is: 2,099,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,616.20 : 3,681,660.79 = 1,521,433.80 : x
  2. Step 2: Convert to fraction form
    2,667,616.20/3,681,660.79 = 1,521,433.80/x
  3. Step 3: Cross multiply
    2,667,616.20x = 3,681,660.79 × 1,521,433.80
  4. Step 4: Simplify right side
    2,667,616.20x = 5,601,403,166,040.70
  5. Step 5: Solve for x
    x = 5,601,403,166,040.70/2,667,616.20
  6. Step 6: Final answer
    x = 2,099,778.51

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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.