Home / 3,161,891.36-4,739,930.84-1,139,640.36

Finding the Fourth Proportional to 3,161,891.36, 4,739,930.84 and 1,139,640.36

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Solution

The fourth proportional to 3,161,891.36, 4,739,930.84 and 1,139,640.36 is: 1,708,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,891.36 : 4,739,930.84 = 1,139,640.36 : x
  2. Step 2: Convert to fraction form
    3,161,891.36/4,739,930.84 = 1,139,640.36/x
  3. Step 3: Cross multiply
    3,161,891.36x = 4,739,930.84 × 1,139,640.36
  4. Step 4: Simplify right side
    3,161,891.36x = 5,401,816,488,872.70
  5. Step 5: Solve for x
    x = 5,401,816,488,872.70/3,161,891.36
  6. Step 6: Final answer
    x = 1,708,413.06

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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.