Home / 2,151,806.96-3,218,721.06-1,512,065.72

Finding the Fourth Proportional to 2,151,806.96, 3,218,721.06 and 1,512,065.72

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Solution

The fourth proportional to 2,151,806.96, 3,218,721.06 and 1,512,065.72 is: 2,261,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,806.96 : 3,218,721.06 = 1,512,065.72 : x
  2. Step 2: Convert to fraction form
    2,151,806.96/3,218,721.06 = 1,512,065.72/x
  3. Step 3: Cross multiply
    2,151,806.96x = 3,218,721.06 × 1,512,065.72
  4. Step 4: Simplify right side
    2,151,806.96x = 4,866,917,777,068.06
  5. Step 5: Solve for x
    x = 4,866,917,777,068.06/2,151,806.96
  6. Step 6: Final answer
    x = 2,261,781.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.