Home / 2,191,778.54-3,024,747.80-1,224,908.80

Finding the Fourth Proportional to 2,191,778.54, 3,024,747.80 and 1,224,908.80

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Solution

The fourth proportional to 2,191,778.54, 3,024,747.80 and 1,224,908.80 is: 1,690,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,778.54 : 3,024,747.80 = 1,224,908.80 : x
  2. Step 2: Convert to fraction form
    2,191,778.54/3,024,747.80 = 1,224,908.80/x
  3. Step 3: Cross multiply
    2,191,778.54x = 3,024,747.80 × 1,224,908.80
  4. Step 4: Simplify right side
    2,191,778.54x = 3,705,040,188,907.64
  5. Step 5: Solve for x
    x = 3,705,040,188,907.64/2,191,778.54
  6. Step 6: Final answer
    x = 1,690,426.34

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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.