Home / 1,780,610.36-2,458,089.62-1,192,921.73

Finding the Fourth Proportional to 1,780,610.36, 2,458,089.62 and 1,192,921.73

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Solution

The fourth proportional to 1,780,610.36, 2,458,089.62 and 1,192,921.73 is: 1,646,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,610.36 : 2,458,089.62 = 1,192,921.73 : x
  2. Step 2: Convert to fraction form
    1,780,610.36/2,458,089.62 = 1,192,921.73/x
  3. Step 3: Cross multiply
    1,780,610.36x = 2,458,089.62 × 1,192,921.73
  4. Step 4: Simplify right side
    1,780,610.36x = 2,932,308,503,730.39
  5. Step 5: Solve for x
    x = 2,932,308,503,730.39/1,780,610.36
  6. Step 6: Final answer
    x = 1,646,799.64

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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.