Home / 5,196,418.20-7,790,480.10-2,202,139.80

Finding the Fourth Proportional to 5,196,418.20, 7,790,480.10 and 2,202,139.80

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Solution

The fourth proportional to 5,196,418.20, 7,790,480.10 and 2,202,139.80 is: 3,301,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196,418.20 : 7,790,480.10 = 2,202,139.80 : x
  2. Step 2: Convert to fraction form
    5,196,418.20/7,790,480.10 = 2,202,139.80/x
  3. Step 3: Cross multiply
    5,196,418.20x = 7,790,480.10 × 2,202,139.80
  4. Step 4: Simplify right side
    5,196,418.20x = 17,155,726,289,317.98
  5. Step 5: Solve for x
    x = 17,155,726,289,317.98/5,196,418.20
  6. Step 6: Final answer
    x = 3,301,452.20

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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.