Home / 3,830,930.85-5,286,682.86-2,199,443.43

Finding the Fourth Proportional to 3,830,930.85, 5,286,682.86 and 2,199,443.43

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Solution

The fourth proportional to 3,830,930.85, 5,286,682.86 and 2,199,443.43 is: 3,035,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,930.85 : 5,286,682.86 = 2,199,443.43 : x
  2. Step 2: Convert to fraction form
    3,830,930.85/5,286,682.86 = 2,199,443.43/x
  3. Step 3: Cross multiply
    3,830,930.85x = 5,286,682.86 × 2,199,443.43
  4. Step 4: Simplify right side
    3,830,930.85x = 11,627,759,882,920.61
  5. Step 5: Solve for x
    x = 11,627,759,882,920.61/3,830,930.85
  6. Step 6: Final answer
    x = 3,035,230.95

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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.