Home / 2,543,322.24-3,509,781.84-1,397,399.76

Finding the Fourth Proportional to 2,543,322.24, 3,509,781.84 and 1,397,399.76

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Solution

The fourth proportional to 2,543,322.24, 3,509,781.84 and 1,397,399.76 is: 1,928,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,322.24 : 3,509,781.84 = 1,397,399.76 : x
  2. Step 2: Convert to fraction form
    2,543,322.24/3,509,781.84 = 1,397,399.76/x
  3. Step 3: Cross multiply
    2,543,322.24x = 3,509,781.84 × 1,397,399.76
  4. Step 4: Simplify right side
    2,543,322.24x = 4,904,568,300,868.36
  5. Step 5: Solve for x
    x = 4,904,568,300,868.36/2,543,322.24
  6. Step 6: Final answer
    x = 1,928,410.10

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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.