Home / 3,179,556.31-4,387,704.55-1,855,233.32

Finding the Fourth Proportional to 3,179,556.31, 4,387,704.55 and 1,855,233.32

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Solution

The fourth proportional to 3,179,556.31, 4,387,704.55 and 1,855,233.32 is: 2,560,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,556.31 : 4,387,704.55 = 1,855,233.32 : x
  2. Step 2: Convert to fraction form
    3,179,556.31/4,387,704.55 = 1,855,233.32/x
  3. Step 3: Cross multiply
    3,179,556.31x = 4,387,704.55 × 1,855,233.32
  4. Step 4: Simplify right side
    3,179,556.31x = 8,140,215,685,806.79
  5. Step 5: Solve for x
    x = 8,140,215,685,806.79/3,179,556.31
  6. Step 6: Final answer
    x = 2,560,173.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.