Home / 2,103,028.80-3,155,320.80-683,131.20

Finding the Fourth Proportional to 2,103,028.80, 3,155,320.80 and 683,131.20

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Solution

The fourth proportional to 2,103,028.80, 3,155,320.80 and 683,131.20 is: 1,024,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,028.80 : 3,155,320.80 = 683,131.20 : x
  2. Step 2: Convert to fraction form
    2,103,028.80/3,155,320.80 = 683,131.20/x
  3. Step 3: Cross multiply
    2,103,028.80x = 3,155,320.80 × 683,131.20
  4. Step 4: Simplify right side
    2,103,028.80x = 2,155,498,084,488.96
  5. Step 5: Solve for x
    x = 2,155,498,084,488.96/2,103,028.80
  6. Step 6: Final answer
    x = 1,024,949.39

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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.