Home / 2,040,658.44-2,815,348.02-1,276,421.64

Finding the Fourth Proportional to 2,040,658.44, 2,815,348.02 and 1,276,421.64

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Solution

The fourth proportional to 2,040,658.44, 2,815,348.02 and 1,276,421.64 is: 1,760,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,658.44 : 2,815,348.02 = 1,276,421.64 : x
  2. Step 2: Convert to fraction form
    2,040,658.44/2,815,348.02 = 1,276,421.64/x
  3. Step 3: Cross multiply
    2,040,658.44x = 2,815,348.02 × 1,276,421.64
  4. Step 4: Simplify right side
    2,040,658.44x = 3,593,571,136,859.15
  5. Step 5: Solve for x
    x = 3,593,571,136,859.15/2,040,658.44
  6. Step 6: Final answer
    x = 1,760,986.09

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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.