Home / 3,689,286-5,091,214.68-2,079,654

Finding the Fourth Proportional to 3,689,286, 5,091,214.68 and 2,079,654

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Solution

The fourth proportional to 3,689,286, 5,091,214.68 and 2,079,654 is: 2,869,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,286 : 5,091,214.68 = 2,079,654 : x
  2. Step 2: Convert to fraction form
    3,689,286/5,091,214.68 = 2,079,654/x
  3. Step 3: Cross multiply
    3,689,286x = 5,091,214.68 × 2,079,654
  4. Step 4: Simplify right side
    3,689,286x = 10,587,964,974,120.72
  5. Step 5: Solve for x
    x = 10,587,964,974,120.72/3,689,286
  6. Step 6: Final answer
    x = 2,869,922.52

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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.