Home / 3,759,121.41-5,629,143.69-3,150,309.21

Finding the Fourth Proportional to 3,759,121.41, 5,629,143.69 and 3,150,309.21

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Solution

The fourth proportional to 3,759,121.41, 5,629,143.69 and 3,150,309.21 is: 4,717,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,121.41 : 5,629,143.69 = 3,150,309.21 : x
  2. Step 2: Convert to fraction form
    3,759,121.41/5,629,143.69 = 3,150,309.21/x
  3. Step 3: Cross multiply
    3,759,121.41x = 5,629,143.69 × 3,150,309.21
  4. Step 4: Simplify right side
    3,759,121.41x = 17,733,543,211,020.39
  5. Step 5: Solve for x
    x = 17,733,543,211,020.39/3,759,121.41
  6. Step 6: Final answer
    x = 4,717,470.19

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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.