Home / 3,881,768.64-5,356,861.95-2,251,142.79

Finding the Fourth Proportional to 3,881,768.64, 5,356,861.95 and 2,251,142.79

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Solution

The fourth proportional to 3,881,768.64, 5,356,861.95 and 2,251,142.79 is: 3,106,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,768.64 : 5,356,861.95 = 2,251,142.79 : x
  2. Step 2: Convert to fraction form
    3,881,768.64/5,356,861.95 = 2,251,142.79/x
  3. Step 3: Cross multiply
    3,881,768.64x = 5,356,861.95 × 2,251,142.79
  4. Step 4: Simplify right side
    3,881,768.64x = 12,059,061,155,767.84
  5. Step 5: Solve for x
    x = 12,059,061,155,767.84/3,881,768.64
  6. Step 6: Final answer
    x = 3,106,589.36

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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.