Home / 3,919,694.60-5,409,330.19-2,177,495.91

Finding the Fourth Proportional to 3,919,694.60, 5,409,330.19 and 2,177,495.91

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Solution

The fourth proportional to 3,919,694.60, 5,409,330.19 and 2,177,495.91 is: 3,005,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,694.60 : 5,409,330.19 = 2,177,495.91 : x
  2. Step 2: Convert to fraction form
    3,919,694.60/5,409,330.19 = 2,177,495.91/x
  3. Step 3: Cross multiply
    3,919,694.60x = 5,409,330.19 × 2,177,495.91
  4. Step 4: Simplify right side
    3,919,694.60x = 11,778,794,359,120.78
  5. Step 5: Solve for x
    x = 11,778,794,359,120.78/3,919,694.60
  6. Step 6: Final answer
    x = 3,005,028.59

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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.