Home / 2,044,814.80-3,067,222.20-1,288,987.60

Finding the Fourth Proportional to 2,044,814.80, 3,067,222.20 and 1,288,987.60

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Solution

The fourth proportional to 2,044,814.80, 3,067,222.20 and 1,288,987.60 is: 1,933,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044,814.80 : 3,067,222.20 = 1,288,987.60 : x
  2. Step 2: Convert to fraction form
    2,044,814.80/3,067,222.20 = 1,288,987.60/x
  3. Step 3: Cross multiply
    2,044,814.80x = 3,067,222.20 × 1,288,987.60
  4. Step 4: Simplify right side
    2,044,814.80x = 3,953,611,382,244.72
  5. Step 5: Solve for x
    x = 3,953,611,382,244.72/2,044,814.80
  6. Step 6: Final answer
    x = 1,933,481.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.