Home / 3,919,974.27-5,409,380.52-2,177,756.10

Finding the Fourth Proportional to 3,919,974.27, 5,409,380.52 and 2,177,756.10

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Solution

The fourth proportional to 3,919,974.27, 5,409,380.52 and 2,177,756.10 is: 3,005,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,974.27 : 5,409,380.52 = 2,177,756.10 : x
  2. Step 2: Convert to fraction form
    3,919,974.27/5,409,380.52 = 2,177,756.10/x
  3. Step 3: Cross multiply
    3,919,974.27x = 5,409,380.52 × 2,177,756.10
  4. Step 4: Simplify right side
    3,919,974.27x = 11,780,311,424,651.17
  5. Step 5: Solve for x
    x = 11,780,311,424,651.17/3,919,974.27
  6. Step 6: Final answer
    x = 3,005,201.21

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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.