Home / 2,231,319.35-3,079,241.02-1,212,726.53

Finding the Fourth Proportional to 2,231,319.35, 3,079,241.02 and 1,212,726.53

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Solution

The fourth proportional to 2,231,319.35, 3,079,241.02 and 1,212,726.53 is: 1,673,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,319.35 : 3,079,241.02 = 1,212,726.53 : x
  2. Step 2: Convert to fraction form
    2,231,319.35/3,079,241.02 = 1,212,726.53/x
  3. Step 3: Cross multiply
    2,231,319.35x = 3,079,241.02 × 1,212,726.53
  4. Step 4: Simplify right side
    2,231,319.35x = 3,734,277,286,432.27
  5. Step 5: Solve for x
    x = 3,734,277,286,432.27/2,231,319.35
  6. Step 6: Final answer
    x = 1,673,573.66

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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.