Home / 3,801,747.78-5,246,556.57-2,170,420.74

Finding the Fourth Proportional to 3,801,747.78, 5,246,556.57 and 2,170,420.74

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Solution

The fourth proportional to 3,801,747.78, 5,246,556.57 and 2,170,420.74 is: 2,995,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801,747.78 : 5,246,556.57 = 2,170,420.74 : x
  2. Step 2: Convert to fraction form
    3,801,747.78/5,246,556.57 = 2,170,420.74/x
  3. Step 3: Cross multiply
    3,801,747.78x = 5,246,556.57 × 2,170,420.74
  4. Step 4: Simplify right side
    3,801,747.78x = 11,387,235,193,111.26
  5. Step 5: Solve for x
    x = 11,387,235,193,111.26/3,801,747.78
  6. Step 6: Final answer
    x = 2,995,263.19

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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.