Home / 3,120,916.10-4,682,540.56-1,228,976.42

Finding the Fourth Proportional to 3,120,916.10, 4,682,540.56 and 1,228,976.42

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Solution

The fourth proportional to 3,120,916.10, 4,682,540.56 and 1,228,976.42 is: 1,843,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,916.10 : 4,682,540.56 = 1,228,976.42 : x
  2. Step 2: Convert to fraction form
    3,120,916.10/4,682,540.56 = 1,228,976.42/x
  3. Step 3: Cross multiply
    3,120,916.10x = 4,682,540.56 × 1,228,976.42
  4. Step 4: Simplify right side
    3,120,916.10x = 5,754,731,933,933.60
  5. Step 5: Solve for x
    x = 5,754,731,933,933.60/3,120,916.10
  6. Step 6: Final answer
    x = 1,843,923.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.