Home / 3,768,120.90-5,199,895.71-2,136,677.22

Finding the Fourth Proportional to 3,768,120.90, 5,199,895.71 and 2,136,677.22

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Solution

The fourth proportional to 3,768,120.90, 5,199,895.71 and 2,136,677.22 is: 2,948,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,120.90 : 5,199,895.71 = 2,136,677.22 : x
  2. Step 2: Convert to fraction form
    3,768,120.90/5,199,895.71 = 2,136,677.22/x
  3. Step 3: Cross multiply
    3,768,120.90x = 5,199,895.71 × 2,136,677.22
  4. Step 4: Simplify right side
    3,768,120.90x = 11,110,498,709,932.73
  5. Step 5: Solve for x
    x = 11,110,498,709,932.73/3,768,120.90
  6. Step 6: Final answer
    x = 2,948,551.55

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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.