Home / 3,983,647.80-5,974,694.10-1,324,255.80

Finding the Fourth Proportional to 3,983,647.80, 5,974,694.10 and 1,324,255.80

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Solution

The fourth proportional to 3,983,647.80, 5,974,694.10 and 1,324,255.80 is: 1,986,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,647.80 : 5,974,694.10 = 1,324,255.80 : x
  2. Step 2: Convert to fraction form
    3,983,647.80/5,974,694.10 = 1,324,255.80/x
  3. Step 3: Cross multiply
    3,983,647.80x = 5,974,694.10 × 1,324,255.80
  4. Step 4: Simplify right side
    3,983,647.80x = 7,912,023,315,150.78
  5. Step 5: Solve for x
    x = 7,912,023,315,150.78/3,983,647.80
  6. Step 6: Final answer
    x = 1,986,125.21

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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.