Home / 2,612,942.62-3,917,888.25-1,013,636.86

Finding the Fourth Proportional to 2,612,942.62, 3,917,888.25 and 1,013,636.86

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Solution

The fourth proportional to 2,612,942.62, 3,917,888.25 and 1,013,636.86 is: 1,519,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,942.62 : 3,917,888.25 = 1,013,636.86 : x
  2. Step 2: Convert to fraction form
    2,612,942.62/3,917,888.25 = 1,013,636.86/x
  3. Step 3: Cross multiply
    2,612,942.62x = 3,917,888.25 × 1,013,636.86
  4. Step 4: Simplify right side
    2,612,942.62x = 3,971,315,943,560.90
  5. Step 5: Solve for x
    x = 3,971,315,943,560.90/2,612,942.62
  6. Step 6: Final answer
    x = 1,519,863.43

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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.