Home / 3,177,389.50-4,763,405.64-1,378,918.26

Finding the Fourth Proportional to 3,177,389.50, 4,763,405.64 and 1,378,918.26

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Solution

The fourth proportional to 3,177,389.50, 4,763,405.64 and 1,378,918.26 is: 2,067,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,389.50 : 4,763,405.64 = 1,378,918.26 : x
  2. Step 2: Convert to fraction form
    3,177,389.50/4,763,405.64 = 1,378,918.26/x
  3. Step 3: Cross multiply
    3,177,389.50x = 4,763,405.64 × 1,378,918.26
  4. Step 4: Simplify right side
    3,177,389.50x = 6,568,347,016,782.99
  5. Step 5: Solve for x
    x = 6,568,347,016,782.99/3,177,389.50
  6. Step 6: Final answer
    x = 2,067,214.93

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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.