Home / 1,777,121.40-2,667,650.40-1,103,962.80

Finding the Fourth Proportional to 1,777,121.40, 2,667,650.40 and 1,103,962.80

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Solution

The fourth proportional to 1,777,121.40, 2,667,650.40 and 1,103,962.80 is: 1,657,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,121.40 : 2,667,650.40 = 1,103,962.80 : x
  2. Step 2: Convert to fraction form
    1,777,121.40/2,667,650.40 = 1,103,962.80/x
  3. Step 3: Cross multiply
    1,777,121.40x = 2,667,650.40 × 1,103,962.80
  4. Step 4: Simplify right side
    1,777,121.40x = 2,944,986,805,005.12
  5. Step 5: Solve for x
    x = 2,944,986,805,005.12/1,777,121.40
  6. Step 6: Final answer
    x = 1,657,166.92

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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.