Home / 5,785,013.07-7,983,145.20-3,171,427.80

Finding the Fourth Proportional to 5,785,013.07, 7,983,145.20 and 3,171,427.80

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Solution

The fourth proportional to 5,785,013.07, 7,983,145.20 and 3,171,427.80 is: 4,376,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785,013.07 : 7,983,145.20 = 3,171,427.80 : x
  2. Step 2: Convert to fraction form
    5,785,013.07/7,983,145.20 = 3,171,427.80/x
  3. Step 3: Cross multiply
    5,785,013.07x = 7,983,145.20 × 3,171,427.80
  4. Step 4: Simplify right side
    5,785,013.07x = 25,317,968,618,716.56
  5. Step 5: Solve for x
    x = 25,317,968,618,716.56/5,785,013.07
  6. Step 6: Final answer
    x = 4,376,475.61

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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.