Home / 3,919,205.43-5,408,844.57-2,177,213.69

Finding the Fourth Proportional to 3,919,205.43, 5,408,844.57 and 2,177,213.69

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Solution

The fourth proportional to 3,919,205.43, 5,408,844.57 and 2,177,213.69 is: 3,004,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,205.43 : 5,408,844.57 = 2,177,213.69 : x
  2. Step 2: Convert to fraction form
    3,919,205.43/5,408,844.57 = 2,177,213.69/x
  3. Step 3: Cross multiply
    3,919,205.43x = 5,408,844.57 × 2,177,213.69
  4. Step 4: Simplify right side
    3,919,205.43x = 11,776,210,441,736.35
  5. Step 5: Solve for x
    x = 11,776,210,441,736.35/3,919,205.43
  6. Step 6: Final answer
    x = 3,004,744.37

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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.