Home / 1,972,002.45-2,958,003.68-1,121,696.85

Finding the Fourth Proportional to 1,972,002.45, 2,958,003.68 and 1,121,696.85

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Solution

The fourth proportional to 1,972,002.45, 2,958,003.68 and 1,121,696.85 is: 1,682,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,002.45 : 2,958,003.68 = 1,121,696.85 : x
  2. Step 2: Convert to fraction form
    1,972,002.45/2,958,003.68 = 1,121,696.85/x
  3. Step 3: Cross multiply
    1,972,002.45x = 2,958,003.68 × 1,121,696.85
  4. Step 4: Simplify right side
    1,972,002.45x = 3,317,983,404,535.92
  5. Step 5: Solve for x
    x = 3,317,983,404,535.92/1,972,002.45
  6. Step 6: Final answer
    x = 1,682,545.28

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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.