Home / 3,120,912.60-4,682,535.30-1,228,972.92

Finding the Fourth Proportional to 3,120,912.60, 4,682,535.30 and 1,228,972.92

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Solution

The fourth proportional to 3,120,912.60, 4,682,535.30 and 1,228,972.92 is: 1,843,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,912.60 : 4,682,535.30 = 1,228,972.92 : x
  2. Step 2: Convert to fraction form
    3,120,912.60/4,682,535.30 = 1,228,972.92/x
  3. Step 3: Cross multiply
    3,120,912.60x = 4,682,535.30 × 1,228,972.92
  4. Step 4: Simplify right side
    3,120,912.60x = 5,754,709,080,644.08
  5. Step 5: Solve for x
    x = 5,754,709,080,644.08/3,120,912.60
  6. Step 6: Final answer
    x = 1,843,918.69

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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.