Home / 3,919,519.16-5,408,753.64-2,177,301.56

Finding the Fourth Proportional to 3,919,519.16, 5,408,753.64 and 2,177,301.56

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Solution

The fourth proportional to 3,919,519.16, 5,408,753.64 and 2,177,301.56 is: 3,004,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,519.16 : 5,408,753.64 = 2,177,301.56 : x
  2. Step 2: Convert to fraction form
    3,919,519.16/5,408,753.64 = 2,177,301.56/x
  3. Step 3: Cross multiply
    3,919,519.16x = 5,408,753.64 × 2,177,301.56
  4. Step 4: Simplify right side
    3,919,519.16x = 11,776,487,738,027.68
  5. Step 5: Solve for x
    x = 11,776,487,738,027.68/3,919,519.16
  6. Step 6: Final answer
    x = 3,004,574.61

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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.