Home / 3,919,029.60-5,407,887.60-2,199,756

Finding the Fourth Proportional to 3,919,029.60, 5,407,887.60 and 2,199,756

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Solution

The fourth proportional to 3,919,029.60, 5,407,887.60 and 2,199,756 is: 3,035,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,029.60 : 5,407,887.60 = 2,199,756 : x
  2. Step 2: Convert to fraction form
    3,919,029.60/5,407,887.60 = 2,199,756/x
  3. Step 3: Cross multiply
    3,919,029.60x = 5,407,887.60 × 2,199,756
  4. Step 4: Simplify right side
    3,919,029.60x = 11,896,033,195,425.60
  5. Step 5: Solve for x
    x = 11,896,033,195,425.60/3,919,029.60
  6. Step 6: Final answer
    x = 3,035,453.78

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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.