Home / 2,090,890.54-3,135,491.43-810,824.14

Finding the Fourth Proportional to 2,090,890.54, 3,135,491.43 and 810,824.14

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Solution

The fourth proportional to 2,090,890.54, 3,135,491.43 and 810,824.14 is: 1,215,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,890.54 : 3,135,491.43 = 810,824.14 : x
  2. Step 2: Convert to fraction form
    2,090,890.54/3,135,491.43 = 810,824.14/x
  3. Step 3: Cross multiply
    2,090,890.54x = 3,135,491.43 × 810,824.14
  4. Step 4: Simplify right side
    2,090,890.54x = 2,542,332,142,207.12
  5. Step 5: Solve for x
    x = 2,542,332,142,207.12/2,090,890.54
  6. Step 6: Final answer
    x = 1,215,908.77

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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.