Home / 3,177,289.17-4,763,255.09-1,378,817.82

Finding the Fourth Proportional to 3,177,289.17, 4,763,255.09 and 1,378,817.82

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Solution

The fourth proportional to 3,177,289.17, 4,763,255.09 and 1,378,817.82 is: 2,067,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,289.17 : 4,763,255.09 = 1,378,817.82 : x
  2. Step 2: Convert to fraction form
    3,177,289.17/4,763,255.09 = 1,378,817.82/x
  3. Step 3: Cross multiply
    3,177,289.17x = 4,763,255.09 × 1,378,817.82
  4. Step 4: Simplify right side
    3,177,289.17x = 6,567,660,992,403.62
  5. Step 5: Solve for x
    x = 6,567,660,992,403.62/3,177,289.17
  6. Step 6: Final answer
    x = 2,067,064.29

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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.