Home / 3,943,741-5,442,362.60-2,132,905

Finding the Fourth Proportional to 3,943,741, 5,442,362.60 and 2,132,905

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Solution

The fourth proportional to 3,943,741, 5,442,362.60 and 2,132,905 is: 2,943,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,741 : 5,442,362.60 = 2,132,905 : x
  2. Step 2: Convert to fraction form
    3,943,741/5,442,362.60 = 2,132,905/x
  3. Step 3: Cross multiply
    3,943,741x = 5,442,362.60 × 2,132,905
  4. Step 4: Simplify right side
    3,943,741x = 11,608,042,401,353
  5. Step 5: Solve for x
    x = 11,608,042,401,353/3,943,741
  6. Step 6: Final answer
    x = 2,943,408.91

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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.