Home / 2,640,310.12-3,961,318.11-1,221,297.04

Finding the Fourth Proportional to 2,640,310.12, 3,961,318.11 and 1,221,297.04

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Solution

The fourth proportional to 2,640,310.12, 3,961,318.11 and 1,221,297.04 is: 1,832,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,310.12 : 3,961,318.11 = 1,221,297.04 : x
  2. Step 2: Convert to fraction form
    2,640,310.12/3,961,318.11 = 1,221,297.04/x
  3. Step 3: Cross multiply
    2,640,310.12x = 3,961,318.11 × 1,221,297.04
  4. Step 4: Simplify right side
    2,640,310.12x = 4,837,946,082,241.39
  5. Step 5: Solve for x
    x = 4,837,946,082,241.39/2,640,310.12
  6. Step 6: Final answer
    x = 1,832,340.09

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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.