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Finding the Fourth Proportional to 2,666,634.97, 4,000,368 and 869,101.39

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Solution

The fourth proportional to 2,666,634.97, 4,000,368 and 869,101.39 is: 1,303,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,634.97 : 4,000,368 = 869,101.39 : x
  2. Step 2: Convert to fraction form
    2,666,634.97/4,000,368 = 869,101.39/x
  3. Step 3: Cross multiply
    2,666,634.97x = 4,000,368 × 869,101.39
  4. Step 4: Simplify right side
    2,666,634.97x = 3,476,725,389,311.52
  5. Step 5: Solve for x
    x = 3,476,725,389,311.52/2,666,634.97
  6. Step 6: Final answer
    x = 1,303,787.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.