Home / 2,188,175.40-3,285,642.30-1,192,847.40

Finding the Fourth Proportional to 2,188,175.40, 3,285,642.30 and 1,192,847.40

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Solution

The fourth proportional to 2,188,175.40, 3,285,642.30 and 1,192,847.40 is: 1,791,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,175.40 : 3,285,642.30 = 1,192,847.40 : x
  2. Step 2: Convert to fraction form
    2,188,175.40/3,285,642.30 = 1,192,847.40/x
  3. Step 3: Cross multiply
    2,188,175.40x = 3,285,642.30 × 1,192,847.40
  4. Step 4: Simplify right side
    2,188,175.40x = 3,919,269,874,885.02
  5. Step 5: Solve for x
    x = 3,919,269,874,885.02/2,188,175.40
  6. Step 6: Final answer
    x = 1,791,113.21

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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.