Home / 2,155,630.75-3,233,965.64-807,805.13

Finding the Fourth Proportional to 2,155,630.75, 3,233,965.64 and 807,805.13

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Solution

The fourth proportional to 2,155,630.75, 3,233,965.64 and 807,805.13 is: 1,211,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,630.75 : 3,233,965.64 = 807,805.13 : x
  2. Step 2: Convert to fraction form
    2,155,630.75/3,233,965.64 = 807,805.13/x
  3. Step 3: Cross multiply
    2,155,630.75x = 3,233,965.64 × 807,805.13
  4. Step 4: Simplify right side
    2,155,630.75x = 2,612,414,026,150.82
  5. Step 5: Solve for x
    x = 2,612,414,026,150.82/2,155,630.75
  6. Step 6: Final answer
    x = 1,211,902.38

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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.