Home / 4,002,078.62-5,522,870.20-2,166,536.86

Finding the Fourth Proportional to 4,002,078.62, 5,522,870.20 and 2,166,536.86

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Solution

The fourth proportional to 4,002,078.62, 5,522,870.20 and 2,166,536.86 is: 2,989,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,078.62 : 5,522,870.20 = 2,166,536.86 : x
  2. Step 2: Convert to fraction form
    4,002,078.62/5,522,870.20 = 2,166,536.86/x
  3. Step 3: Cross multiply
    4,002,078.62x = 5,522,870.20 × 2,166,536.86
  4. Step 4: Simplify right side
    4,002,078.62x = 11,965,501,846,134.31
  5. Step 5: Solve for x
    x = 11,965,501,846,134.31/4,002,078.62
  6. Step 6: Final answer
    x = 2,989,821.79

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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.