Home / 3,177,279.05-4,763,239.90-1,378,807.70

Finding the Fourth Proportional to 3,177,279.05, 4,763,239.90 and 1,378,807.70

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Solution

The fourth proportional to 3,177,279.05, 4,763,239.90 and 1,378,807.70 is: 2,067,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,279.05 : 4,763,239.90 = 1,378,807.70 : x
  2. Step 2: Convert to fraction form
    3,177,279.05/4,763,239.90 = 1,378,807.70/x
  3. Step 3: Cross multiply
    3,177,279.05x = 4,763,239.90 × 1,378,807.70
  4. Step 4: Simplify right side
    3,177,279.05x = 6,567,591,823,804.01
  5. Step 5: Solve for x
    x = 6,567,591,823,804.01/3,177,279.05
  6. Step 6: Final answer
    x = 2,067,049.11

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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.