Home / 3,839,900.34-5,298,961.23-2,120,983.95

Finding the Fourth Proportional to 3,839,900.34, 5,298,961.23 and 2,120,983.95

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Solution

The fourth proportional to 3,839,900.34, 5,298,961.23 and 2,120,983.95 is: 2,926,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,900.34 : 5,298,961.23 = 2,120,983.95 : x
  2. Step 2: Convert to fraction form
    3,839,900.34/5,298,961.23 = 2,120,983.95/x
  3. Step 3: Cross multiply
    3,839,900.34x = 5,298,961.23 × 2,120,983.95
  4. Step 4: Simplify right side
    3,839,900.34x = 11,239,011,720,502.26
  5. Step 5: Solve for x
    x = 11,239,011,720,502.26/3,839,900.34
  6. Step 6: Final answer
    x = 2,926,901.93

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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.