Home / 3,839,760.96-5,762,789.64-1,947,043.68

Finding the Fourth Proportional to 3,839,760.96, 5,762,789.64 and 1,947,043.68

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Solution

The fourth proportional to 3,839,760.96, 5,762,789.64 and 1,947,043.68 is: 2,922,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,760.96 : 5,762,789.64 = 1,947,043.68 : x
  2. Step 2: Convert to fraction form
    3,839,760.96/5,762,789.64 = 1,947,043.68/x
  3. Step 3: Cross multiply
    3,839,760.96x = 5,762,789.64 × 1,947,043.68
  4. Step 4: Simplify right side
    3,839,760.96x = 11,220,403,147,731.47
  5. Step 5: Solve for x
    x = 11,220,403,147,731.47/3,839,760.96
  6. Step 6: Final answer
    x = 2,922,161.89

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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.