Home / 3,825,915.30-5,279,698.89-2,107,195.74

Finding the Fourth Proportional to 3,825,915.30, 5,279,698.89 and 2,107,195.74

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Solution

The fourth proportional to 3,825,915.30, 5,279,698.89 and 2,107,195.74 is: 2,907,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,915.30 : 5,279,698.89 = 2,107,195.74 : x
  2. Step 2: Convert to fraction form
    3,825,915.30/5,279,698.89 = 2,107,195.74/x
  3. Step 3: Cross multiply
    3,825,915.30x = 5,279,698.89 × 2,107,195.74
  4. Step 4: Simplify right side
    3,825,915.30x = 11,125,359,009,490.73
  5. Step 5: Solve for x
    x = 11,125,359,009,490.73/3,825,915.30
  6. Step 6: Final answer
    x = 2,907,894.75

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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.