Home / 2,684,517.67-4,024,389.43-978,340.56

Finding the Fourth Proportional to 2,684,517.67, 4,024,389.43 and 978,340.56

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Solution

The fourth proportional to 2,684,517.67, 4,024,389.43 and 978,340.56 is: 1,466,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,517.67 : 4,024,389.43 = 978,340.56 : x
  2. Step 2: Convert to fraction form
    2,684,517.67/4,024,389.43 = 978,340.56/x
  3. Step 3: Cross multiply
    2,684,517.67x = 4,024,389.43 × 978,340.56
  4. Step 4: Simplify right side
    2,684,517.67x = 3,937,223,408,604.28
  5. Step 5: Solve for x
    x = 3,937,223,408,604.28/2,684,517.67
  6. Step 6: Final answer
    x = 1,466,640.90

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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.