Home / 2,667,616.32-3,681,660.96-1,521,433.92

Finding the Fourth Proportional to 2,667,616.32, 3,681,660.96 and 1,521,433.92

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Solution

The fourth proportional to 2,667,616.32, 3,681,660.96 and 1,521,433.92 is: 2,099,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,616.32 : 3,681,660.96 = 1,521,433.92 : x
  2. Step 2: Convert to fraction form
    2,667,616.32/3,681,660.96 = 1,521,433.92/x
  3. Step 3: Cross multiply
    2,667,616.32x = 3,681,660.96 × 1,521,433.92
  4. Step 4: Simplify right side
    2,667,616.32x = 5,601,403,866,483.76
  5. Step 5: Solve for x
    x = 5,601,403,866,483.76/2,667,616.32
  6. Step 6: Final answer
    x = 2,099,778.68

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1.5x scale

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.