Home / 2,648,145.20-3,969,107.40-1,225,195.52

Finding the Fourth Proportional to 2,648,145.20, 3,969,107.40 and 1,225,195.52

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Solution

The fourth proportional to 2,648,145.20, 3,969,107.40 and 1,225,195.52 is: 1,836,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,145.20 : 3,969,107.40 = 1,225,195.52 : x
  2. Step 2: Convert to fraction form
    2,648,145.20/3,969,107.40 = 1,225,195.52/x
  3. Step 3: Cross multiply
    2,648,145.20x = 3,969,107.40 × 1,225,195.52
  4. Step 4: Simplify right side
    2,648,145.20x = 4,862,932,604,878.85
  5. Step 5: Solve for x
    x = 4,862,932,604,878.85/2,648,145.20
  6. Step 6: Final answer
    x = 1,836,354.22

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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.