Home / 2,378,998.56-3,283,021.33-1,291,270.38

Finding the Fourth Proportional to 2,378,998.56, 3,283,021.33 and 1,291,270.38

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Solution

The fourth proportional to 2,378,998.56, 3,283,021.33 and 1,291,270.38 is: 1,781,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,998.56 : 3,283,021.33 = 1,291,270.38 : x
  2. Step 2: Convert to fraction form
    2,378,998.56/3,283,021.33 = 1,291,270.38/x
  3. Step 3: Cross multiply
    2,378,998.56x = 3,283,021.33 × 1,291,270.38
  4. Step 4: Simplify right side
    2,378,998.56x = 4,239,268,197,109.03
  5. Step 5: Solve for x
    x = 4,239,268,197,109.03/2,378,998.56
  6. Step 6: Final answer
    x = 1,781,954.92

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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.