Home / 3,839,881.68-5,298,935.22-2,120,965.29

Finding the Fourth Proportional to 3,839,881.68, 5,298,935.22 and 2,120,965.29

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Solution

The fourth proportional to 3,839,881.68, 5,298,935.22 and 2,120,965.29 is: 2,926,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,881.68 : 5,298,935.22 = 2,120,965.29 : x
  2. Step 2: Convert to fraction form
    3,839,881.68/5,298,935.22 = 2,120,965.29/x
  3. Step 3: Cross multiply
    3,839,881.68x = 5,298,935.22 × 2,120,965.29
  4. Step 4: Simplify right side
    3,839,881.68x = 11,238,857,675,578.51
  5. Step 5: Solve for x
    x = 11,238,857,675,578.51/3,839,881.68
  6. Step 6: Final answer
    x = 2,926,876.04

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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.