Home / 3,998,571.13-5,512,288.80-2,850,658.57

Finding the Fourth Proportional to 3,998,571.13, 5,512,288.80 and 2,850,658.57

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Solution

The fourth proportional to 3,998,571.13, 5,512,288.80 and 2,850,658.57 is: 3,929,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,571.13 : 5,512,288.80 = 2,850,658.57 : x
  2. Step 2: Convert to fraction form
    3,998,571.13/5,512,288.80 = 2,850,658.57/x
  3. Step 3: Cross multiply
    3,998,571.13x = 5,512,288.80 × 2,850,658.57
  4. Step 4: Simplify right side
    3,998,571.13x = 15,713,653,308,035.01
  5. Step 5: Solve for x
    x = 15,713,653,308,035.01/3,998,571.13
  6. Step 6: Final answer
    x = 3,929,817.13

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1.5x scale

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.