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Finding the Fourth Proportional to 2,765,824, 4,148,736 and 664,576

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Solution

The fourth proportional to 2,765,824, 4,148,736 and 664,576 is: 996,864

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,824 : 4,148,736 = 664,576 : x
  2. Step 2: Convert to fraction form
    2,765,824/4,148,736 = 664,576/x
  3. Step 3: Cross multiply
    2,765,824x = 4,148,736 × 664,576
  4. Step 4: Simplify right side
    2,765,824x = 2,757,150,375,936
  5. Step 5: Solve for x
    x = 2,757,150,375,936/2,765,824
  6. Step 6: Final answer
    x = 996,864

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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.