Home / 3,839,881.74-5,298,935.19-2,120,965.26

Finding the Fourth Proportional to 3,839,881.74, 5,298,935.19 and 2,120,965.26

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Solution

The fourth proportional to 3,839,881.74, 5,298,935.19 and 2,120,965.26 is: 2,926,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,881.74 : 5,298,935.19 = 2,120,965.26 : x
  2. Step 2: Convert to fraction form
    3,839,881.74/5,298,935.19 = 2,120,965.26/x
  3. Step 3: Cross multiply
    3,839,881.74x = 5,298,935.19 × 2,120,965.26
  4. Step 4: Simplify right side
    3,839,881.74x = 11,238,857,452,981.50
  5. Step 5: Solve for x
    x = 11,238,857,452,981.50/3,839,881.74
  6. Step 6: Final answer
    x = 2,926,875.93

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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.