Home / 3,274,620.62-4,912,455.82-1,381,640.90

Finding the Fourth Proportional to 3,274,620.62, 4,912,455.82 and 1,381,640.90

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Solution

The fourth proportional to 3,274,620.62, 4,912,455.82 and 1,381,640.90 is: 2,072,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274,620.62 : 4,912,455.82 = 1,381,640.90 : x
  2. Step 2: Convert to fraction form
    3,274,620.62/4,912,455.82 = 1,381,640.90/x
  3. Step 3: Cross multiply
    3,274,620.62x = 4,912,455.82 × 1,381,640.90
  4. Step 4: Simplify right side
    3,274,620.62x = 6,787,249,880,355.04
  5. Step 5: Solve for x
    x = 6,787,249,880,355.04/3,274,620.62
  6. Step 6: Final answer
    x = 2,072,682.81

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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.