Home / 2,638,198.64-3,957,451.04-744,781.52

Finding the Fourth Proportional to 2,638,198.64, 3,957,451.04 and 744,781.52

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Solution

The fourth proportional to 2,638,198.64, 3,957,451.04 and 744,781.52 is: 1,117,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,198.64 : 3,957,451.04 = 744,781.52 : x
  2. Step 2: Convert to fraction form
    2,638,198.64/3,957,451.04 = 744,781.52/x
  3. Step 3: Cross multiply
    2,638,198.64x = 3,957,451.04 × 744,781.52
  4. Step 4: Simplify right side
    2,638,198.64x = 2,947,436,400,896.78
  5. Step 5: Solve for x
    x = 2,947,436,400,896.78/2,638,198.64
  6. Step 6: Final answer
    x = 1,117,215.50

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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.