Home / 3,689,289-5,091,218.82-2,079,657

Finding the Fourth Proportional to 3,689,289, 5,091,218.82 and 2,079,657

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Solution

The fourth proportional to 3,689,289, 5,091,218.82 and 2,079,657 is: 2,869,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,289 : 5,091,218.82 = 2,079,657 : x
  2. Step 2: Convert to fraction form
    3,689,289/5,091,218.82 = 2,079,657/x
  3. Step 3: Cross multiply
    3,689,289x = 5,091,218.82 × 2,079,657
  4. Step 4: Simplify right side
    3,689,289x = 10,587,988,857,544.74
  5. Step 5: Solve for x
    x = 10,587,988,857,544.74/3,689,289
  6. Step 6: Final answer
    x = 2,869,926.66

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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.