Home / 1,992,006.82-2,987,185.20-625,323.86

Finding the Fourth Proportional to 1,992,006.82, 2,987,185.20 and 625,323.86

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Solution

The fourth proportional to 1,992,006.82, 2,987,185.20 and 625,323.86 is: 937,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,006.82 : 2,987,185.20 = 625,323.86 : x
  2. Step 2: Convert to fraction form
    1,992,006.82/2,987,185.20 = 625,323.86/x
  3. Step 3: Cross multiply
    1,992,006.82x = 2,987,185.20 × 625,323.86
  4. Step 4: Simplify right side
    1,992,006.82x = 1,867,958,179,798.87
  5. Step 5: Solve for x
    x = 1,867,958,179,798.87/1,992,006.82
  6. Step 6: Final answer
    x = 937,726.80

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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.