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Finding the Fourth Proportional to 3,829,679.70, 5,744,519.55 and 2,336,687.70

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Solution

The fourth proportional to 3,829,679.70, 5,744,519.55 and 2,336,687.70 is: 3,505,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829,679.70 : 5,744,519.55 = 2,336,687.70 : x
  2. Step 2: Convert to fraction form
    3,829,679.70/5,744,519.55 = 2,336,687.70/x
  3. Step 3: Cross multiply
    3,829,679.70x = 5,744,519.55 × 2,336,687.70
  4. Step 4: Simplify right side
    3,829,679.70x = 13,423,148,174,894.54
  5. Step 5: Solve for x
    x = 13,423,148,174,894.54/3,829,679.70
  6. Step 6: Final answer
    x = 3,505,031.55

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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.