Home / 3,943,743-5,442,365.36-2,132,907

Finding the Fourth Proportional to 3,943,743, 5,442,365.36 and 2,132,907

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Solution

The fourth proportional to 3,943,743, 5,442,365.36 and 2,132,907 is: 2,943,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,743 : 5,442,365.36 = 2,132,907 : x
  2. Step 2: Convert to fraction form
    3,943,743/5,442,365.36 = 2,132,907/x
  3. Step 3: Cross multiply
    3,943,743x = 5,442,365.36 × 2,132,907
  4. Step 4: Simplify right side
    3,943,743x = 11,608,059,172,901.52
  5. Step 5: Solve for x
    x = 11,608,059,172,901.52/3,943,743
  6. Step 6: Final answer
    x = 2,943,411.67

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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.