Home / 3,819,149.26-5,270,564.55-2,187,871.90

Finding the Fourth Proportional to 3,819,149.26, 5,270,564.55 and 2,187,871.90

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Solution

The fourth proportional to 3,819,149.26, 5,270,564.55 and 2,187,871.90 is: 3,019,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,149.26 : 5,270,564.55 = 2,187,871.90 : x
  2. Step 2: Convert to fraction form
    3,819,149.26/5,270,564.55 = 2,187,871.90/x
  3. Step 3: Cross multiply
    3,819,149.26x = 5,270,564.55 × 2,187,871.90
  4. Step 4: Simplify right side
    3,819,149.26x = 11,531,320,076,081.14
  5. Step 5: Solve for x
    x = 11,531,320,076,081.14/3,819,149.26
  6. Step 6: Final answer
    x = 3,019,342.61

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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.