Home / 3,768,910.19-5,202,019.86-2,138,272.01

Finding the Fourth Proportional to 3,768,910.19, 5,202,019.86 and 2,138,272.01

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Solution

The fourth proportional to 3,768,910.19, 5,202,019.86 and 2,138,272.01 is: 2,951,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,910.19 : 5,202,019.86 = 2,138,272.01 : x
  2. Step 2: Convert to fraction form
    3,768,910.19/5,202,019.86 = 2,138,272.01/x
  3. Step 3: Cross multiply
    3,768,910.19x = 5,202,019.86 × 2,138,272.01
  4. Step 4: Simplify right side
    3,768,910.19x = 11,123,333,462,102.12
  5. Step 5: Solve for x
    x = 11,123,333,462,102.12/3,768,910.19
  6. Step 6: Final answer
    x = 2,951,339.49

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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.