Home / 1,939,974.92-2,904,993.76-1,619,329.56

Finding the Fourth Proportional to 1,939,974.92, 2,904,993.76 and 1,619,329.56

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Solution

The fourth proportional to 1,939,974.92, 2,904,993.76 and 1,619,329.56 is: 2,424,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,974.92 : 2,904,993.76 = 1,619,329.56 : x
  2. Step 2: Convert to fraction form
    1,939,974.92/2,904,993.76 = 1,619,329.56/x
  3. Step 3: Cross multiply
    1,939,974.92x = 2,904,993.76 × 1,619,329.56
  4. Step 4: Simplify right side
    1,939,974.92x = 4,704,142,267,183.55
  5. Step 5: Solve for x
    x = 4,704,142,267,183.55/1,939,974.92
  6. Step 6: Final answer
    x = 2,424,846.95

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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.