Home / 1,611,219.80-2,223,438.97-886,067.51

Finding the Fourth Proportional to 1,611,219.80, 2,223,438.97 and 886,067.51

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Solution

The fourth proportional to 1,611,219.80, 2,223,438.97 and 886,067.51 is: 1,222,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,219.80 : 2,223,438.97 = 886,067.51 : x
  2. Step 2: Convert to fraction form
    1,611,219.80/2,223,438.97 = 886,067.51/x
  3. Step 3: Cross multiply
    1,611,219.80x = 2,223,438.97 × 886,067.51
  4. Step 4: Simplify right side
    1,611,219.80x = 1,970,117,035,878.09
  5. Step 5: Solve for x
    x = 1,970,117,035,878.09/1,611,219.80
  6. Step 6: Final answer
    x = 1,222,748.78

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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.