Home / 7,179,378-10,769,160.81-2,387,067.27

Finding the Fourth Proportional to 7,179,378, 10,769,160.81 and 2,387,067.27

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Solution

The fourth proportional to 7,179,378, 10,769,160.81 and 2,387,067.27 is: 3,580,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,378 : 10,769,160.81 = 2,387,067.27 : x
  2. Step 2: Convert to fraction form
    7,179,378/10,769,160.81 = 2,387,067.27/x
  3. Step 3: Cross multiply
    7,179,378x = 10,769,160.81 × 2,387,067.27
  4. Step 4: Simplify right side
    7,179,378x = 25,706,711,294,917.69
  5. Step 5: Solve for x
    x = 25,706,711,294,917.69/7,179,378
  6. Step 6: Final answer
    x = 3,580,632.10

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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.