Home / 2,638,371.92-3,957,843-840,832.88

Finding the Fourth Proportional to 2,638,371.92, 3,957,843 and 840,832.88

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Solution

The fourth proportional to 2,638,371.92, 3,957,843 and 840,832.88 is: 1,261,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,371.92 : 3,957,843 = 840,832.88 : x
  2. Step 2: Convert to fraction form
    2,638,371.92/3,957,843 = 840,832.88/x
  3. Step 3: Cross multiply
    2,638,371.92x = 3,957,843 × 840,832.88
  4. Step 4: Simplify right side
    2,638,371.92x = 3,327,884,528,277.84
  5. Step 5: Solve for x
    x = 3,327,884,528,277.84/2,638,371.92
  6. Step 6: Final answer
    x = 1,261,340.19

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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.