Home / 3,830,956.57-5,286,756.77-2,112,138.73

Finding the Fourth Proportional to 3,830,956.57, 5,286,756.77 and 2,112,138.73

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Solution

The fourth proportional to 3,830,956.57, 5,286,756.77 and 2,112,138.73 is: 2,914,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,956.57 : 5,286,756.77 = 2,112,138.73 : x
  2. Step 2: Convert to fraction form
    3,830,956.57/5,286,756.77 = 2,112,138.73/x
  3. Step 3: Cross multiply
    3,830,956.57x = 5,286,756.77 × 2,112,138.73
  4. Step 4: Simplify right side
    3,830,956.57x = 11,166,363,730,006.70
  5. Step 5: Solve for x
    x = 11,166,363,730,006.70/3,830,956.57
  6. Step 6: Final answer
    x = 2,914,771.68

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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.