Home / 3,947,543.29-5,447,617.91-2,136,707.29

Finding the Fourth Proportional to 3,947,543.29, 5,447,617.91 and 2,136,707.29

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Solution

The fourth proportional to 3,947,543.29, 5,447,617.91 and 2,136,707.29 is: 2,948,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,543.29 : 5,447,617.91 = 2,136,707.29 : x
  2. Step 2: Convert to fraction form
    3,947,543.29/5,447,617.91 = 2,136,707.29/x
  3. Step 3: Cross multiply
    3,947,543.29x = 5,447,617.91 × 2,136,707.29
  4. Step 4: Simplify right side
    3,947,543.29x = 11,639,964,901,431.56
  5. Step 5: Solve for x
    x = 11,639,964,901,431.56/3,947,543.29
  6. Step 6: Final answer
    x = 2,948,660.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.