Home / 2,192,277.96-3,288,416.94-772,001.28

Finding the Fourth Proportional to 2,192,277.96, 3,288,416.94 and 772,001.28

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Solution

The fourth proportional to 2,192,277.96, 3,288,416.94 and 772,001.28 is: 1,158,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,277.96 : 3,288,416.94 = 772,001.28 : x
  2. Step 2: Convert to fraction form
    2,192,277.96/3,288,416.94 = 772,001.28/x
  3. Step 3: Cross multiply
    2,192,277.96x = 3,288,416.94 × 772,001.28
  4. Step 4: Simplify right side
    2,192,277.96x = 2,538,662,086,853.68
  5. Step 5: Solve for x
    x = 2,538,662,086,853.68/2,192,277.96
  6. Step 6: Final answer
    x = 1,158,001.92

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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.