Home / 3,828,433.20-5,283,469.80-2,109,551.64

Finding the Fourth Proportional to 3,828,433.20, 5,283,469.80 and 2,109,551.64

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Solution

The fourth proportional to 3,828,433.20, 5,283,469.80 and 2,109,551.64 is: 2,911,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,433.20 : 5,283,469.80 = 2,109,551.64 : x
  2. Step 2: Convert to fraction form
    3,828,433.20/5,283,469.80 = 2,109,551.64/x
  3. Step 3: Cross multiply
    3,828,433.20x = 5,283,469.80 × 2,109,551.64
  4. Step 4: Simplify right side
    3,828,433.20x = 11,145,752,381,480.47
  5. Step 5: Solve for x
    x = 11,145,752,381,480.47/3,828,433.20
  6. Step 6: Final answer
    x = 2,911,309.09

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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.