Home / 3,388,255.13-4,675,799.21-1,839,518.78

Finding the Fourth Proportional to 3,388,255.13, 4,675,799.21 and 1,839,518.78

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Solution

The fourth proportional to 3,388,255.13, 4,675,799.21 and 1,839,518.78 is: 2,538,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,255.13 : 4,675,799.21 = 1,839,518.78 : x
  2. Step 2: Convert to fraction form
    3,388,255.13/4,675,799.21 = 1,839,518.78/x
  3. Step 3: Cross multiply
    3,388,255.13x = 4,675,799.21 × 1,839,518.78
  4. Step 4: Simplify right side
    3,388,255.13x = 8,601,220,425,727.57
  5. Step 5: Solve for x
    x = 8,601,220,425,727.57/3,388,255.13
  6. Step 6: Final answer
    x = 2,538,539.78

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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.