Home / 2,869,850.33-3,960,673.38-2,143,437.47

Finding the Fourth Proportional to 2,869,850.33, 3,960,673.38 and 2,143,437.47

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Solution

The fourth proportional to 2,869,850.33, 3,960,673.38 and 2,143,437.47 is: 2,958,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,850.33 : 3,960,673.38 = 2,143,437.47 : x
  2. Step 2: Convert to fraction form
    2,869,850.33/3,960,673.38 = 2,143,437.47/x
  3. Step 3: Cross multiply
    2,869,850.33x = 3,960,673.38 × 2,143,437.47
  4. Step 4: Simplify right side
    2,869,850.33x = 8,489,455,729,123.55
  5. Step 5: Solve for x
    x = 8,489,455,729,123.55/2,869,850.33
  6. Step 6: Final answer
    x = 2,958,152.78

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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.