Home / 2,192,902.13-3,025,401.81-1,321,929.38

Finding the Fourth Proportional to 2,192,902.13, 3,025,401.81 and 1,321,929.38

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Solution

The fourth proportional to 2,192,902.13, 3,025,401.81 and 1,321,929.38 is: 1,823,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,902.13 : 3,025,401.81 = 1,321,929.38 : x
  2. Step 2: Convert to fraction form
    2,192,902.13/3,025,401.81 = 1,321,929.38/x
  3. Step 3: Cross multiply
    2,192,902.13x = 3,025,401.81 × 1,321,929.38
  4. Step 4: Simplify right side
    2,192,902.13x = 3,999,367,538,944.18
  5. Step 5: Solve for x
    x = 3,999,367,538,944.18/2,192,902.13
  6. Step 6: Final answer
    x = 1,823,778.40

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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.