Home / 5,139,979.66-7,092,781.77-2,848,091.14

Finding the Fourth Proportional to 5,139,979.66, 7,092,781.77 and 2,848,091.14

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Solution

The fourth proportional to 5,139,979.66, 7,092,781.77 and 2,848,091.14 is: 3,930,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,979.66 : 7,092,781.77 = 2,848,091.14 : x
  2. Step 2: Convert to fraction form
    5,139,979.66/7,092,781.77 = 2,848,091.14/x
  3. Step 3: Cross multiply
    5,139,979.66x = 7,092,781.77 × 2,848,091.14
  4. Step 4: Simplify right side
    5,139,979.66x = 20,200,888,917,090.52
  5. Step 5: Solve for x
    x = 20,200,888,917,090.52/5,139,979.66
  6. Step 6: Final answer
    x = 3,930,149.58

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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.