Home / 3,881,306.97-5,356,240.19-2,139,039.09

Finding the Fourth Proportional to 3,881,306.97, 5,356,240.19 and 2,139,039.09

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Solution

The fourth proportional to 3,881,306.97, 5,356,240.19 and 2,139,039.09 is: 2,951,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,306.97 : 5,356,240.19 = 2,139,039.09 : x
  2. Step 2: Convert to fraction form
    3,881,306.97/5,356,240.19 = 2,139,039.09/x
  3. Step 3: Cross multiply
    3,881,306.97x = 5,356,240.19 × 2,139,039.09
  4. Step 4: Simplify right side
    3,881,306.97x = 11,457,207,119,961.93
  5. Step 5: Solve for x
    x = 11,457,207,119,961.93/3,881,306.97
  6. Step 6: Final answer
    x = 2,951,894.10

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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.