Home / 3,631,727.20-5,447,590.80-1,107,378.40

Finding the Fourth Proportional to 3,631,727.20, 5,447,590.80 and 1,107,378.40

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Solution

The fourth proportional to 3,631,727.20, 5,447,590.80 and 1,107,378.40 is: 1,661,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,727.20 : 5,447,590.80 = 1,107,378.40 : x
  2. Step 2: Convert to fraction form
    3,631,727.20/5,447,590.80 = 1,107,378.40/x
  3. Step 3: Cross multiply
    3,631,727.20x = 5,447,590.80 × 1,107,378.40
  4. Step 4: Simplify right side
    3,631,727.20x = 6,032,544,383,958.72
  5. Step 5: Solve for x
    x = 6,032,544,383,958.72/3,631,727.20
  6. Step 6: Final answer
    x = 1,661,067.60

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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.