Home / 2,245,270.61-3,098,474.71-1,212,778.40

Finding the Fourth Proportional to 2,245,270.61, 3,098,474.71 and 1,212,778.40

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Solution

The fourth proportional to 2,245,270.61, 3,098,474.71 and 1,212,778.40 is: 1,673,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,270.61 : 3,098,474.71 = 1,212,778.40 : x
  2. Step 2: Convert to fraction form
    2,245,270.61/3,098,474.71 = 1,212,778.40/x
  3. Step 3: Cross multiply
    2,245,270.61x = 3,098,474.71 × 1,212,778.40
  4. Step 4: Simplify right side
    2,245,270.61x = 3,757,763,182,709.94
  5. Step 5: Solve for x
    x = 3,757,763,182,709.94/2,245,270.61
  6. Step 6: Final answer
    x = 1,673,634.87

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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.