Home / 3,671,278.58-5,066,067.05-2,122,639.72

Finding the Fourth Proportional to 3,671,278.58, 5,066,067.05 and 2,122,639.72

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Solution

The fourth proportional to 3,671,278.58, 5,066,067.05 and 2,122,639.72 is: 2,929,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671,278.58 : 5,066,067.05 = 2,122,639.72 : x
  2. Step 2: Convert to fraction form
    3,671,278.58/5,066,067.05 = 2,122,639.72/x
  3. Step 3: Cross multiply
    3,671,278.58x = 5,066,067.05 × 2,122,639.72
  4. Step 4: Simplify right side
    3,671,278.58x = 10,753,435,141,134.61
  5. Step 5: Solve for x
    x = 10,753,435,141,134.61/3,671,278.58
  6. Step 6: Final answer
    x = 2,929,070.87

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Double scale
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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.