Home / 3,631,808.80-5,439,418.80-2,138,816.80

Finding the Fourth Proportional to 3,631,808.80, 5,439,418.80 and 2,138,816.80

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Solution

The fourth proportional to 3,631,808.80, 5,439,418.80 and 2,138,816.80 is: 3,203,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,808.80 : 5,439,418.80 = 2,138,816.80 : x
  2. Step 2: Convert to fraction form
    3,631,808.80/5,439,418.80 = 2,138,816.80/x
  3. Step 3: Cross multiply
    3,631,808.80x = 5,439,418.80 × 2,138,816.80
  4. Step 4: Simplify right side
    3,631,808.80x = 11,633,920,311,675.84
  5. Step 5: Solve for x
    x = 11,633,920,311,675.84/3,631,808.80
  6. Step 6: Final answer
    x = 3,203,340.53

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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.