Home / 2,223,983.56-3,069,253.30-1,257,121.78

Finding the Fourth Proportional to 2,223,983.56, 3,069,253.30 and 1,257,121.78

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Solution

The fourth proportional to 2,223,983.56, 3,069,253.30 and 1,257,121.78 is: 1,734,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,983.56 : 3,069,253.30 = 1,257,121.78 : x
  2. Step 2: Convert to fraction form
    2,223,983.56/3,069,253.30 = 1,257,121.78/x
  3. Step 3: Cross multiply
    2,223,983.56x = 3,069,253.30 × 1,257,121.78
  4. Step 4: Simplify right side
    2,223,983.56x = 3,858,425,171,766.87
  5. Step 5: Solve for x
    x = 3,858,425,171,766.87/2,223,983.56
  6. Step 6: Final answer
    x = 1,734,916.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.