Home / 2,231,118.96-3,078,963.48-1,212,523.92

Finding the Fourth Proportional to 2,231,118.96, 3,078,963.48 and 1,212,523.92

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Solution

The fourth proportional to 2,231,118.96, 3,078,963.48 and 1,212,523.92 is: 1,673,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,118.96 : 3,078,963.48 = 1,212,523.92 : x
  2. Step 2: Convert to fraction form
    2,231,118.96/3,078,963.48 = 1,212,523.92/x
  3. Step 3: Cross multiply
    2,231,118.96x = 3,078,963.48 × 1,212,523.92
  4. Step 4: Simplify right side
    2,231,118.96x = 3,733,316,868,306.44
  5. Step 5: Solve for x
    x = 3,733,316,868,306.44/2,231,118.96
  6. Step 6: Final answer
    x = 1,673,293.51

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1.5x scale

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.