Home / 3,640,243.20-5,459,846.40-1,244,198.40

Finding the Fourth Proportional to 3,640,243.20, 5,459,846.40 and 1,244,198.40

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Solution

The fourth proportional to 3,640,243.20, 5,459,846.40 and 1,244,198.40 is: 1,866,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,243.20 : 5,459,846.40 = 1,244,198.40 : x
  2. Step 2: Convert to fraction form
    3,640,243.20/5,459,846.40 = 1,244,198.40/x
  3. Step 3: Cross multiply
    3,640,243.20x = 5,459,846.40 × 1,244,198.40
  4. Step 4: Simplify right side
    3,640,243.20x = 6,793,132,155,125.76
  5. Step 5: Solve for x
    x = 6,793,132,155,125.76/3,640,243.20
  6. Step 6: Final answer
    x = 1,866,120.42

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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.