Home / 3,989,843.96-5,505,990.76-2,270,964.48

Finding the Fourth Proportional to 3,989,843.96, 5,505,990.76 and 2,270,964.48

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Solution

The fourth proportional to 3,989,843.96, 5,505,990.76 and 2,270,964.48 is: 3,133,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,843.96 : 5,505,990.76 = 2,270,964.48 : x
  2. Step 2: Convert to fraction form
    3,989,843.96/5,505,990.76 = 2,270,964.48/x
  3. Step 3: Cross multiply
    3,989,843.96x = 5,505,990.76 × 2,270,964.48
  4. Step 4: Simplify right side
    3,989,843.96x = 12,503,909,425,359.45
  5. Step 5: Solve for x
    x = 12,503,909,425,359.45/3,989,843.96
  6. Step 6: Final answer
    x = 3,133,934.45

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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.