Home / 3,786,900.80-5,222,960.16-2,428,897.60

Finding the Fourth Proportional to 3,786,900.80, 5,222,960.16 and 2,428,897.60

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Solution

The fourth proportional to 3,786,900.80, 5,222,960.16 and 2,428,897.60 is: 3,349,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,900.80 : 5,222,960.16 = 2,428,897.60 : x
  2. Step 2: Convert to fraction form
    3,786,900.80/5,222,960.16 = 2,428,897.60/x
  3. Step 3: Cross multiply
    3,786,900.80x = 5,222,960.16 × 2,428,897.60
  4. Step 4: Simplify right side
    3,786,900.80x = 12,686,035,397,519.62
  5. Step 5: Solve for x
    x = 12,686,035,397,519.62/3,786,900.80
  6. Step 6: Final answer
    x = 3,349,978.27

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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.