Home / 3,998,637.93-5,518,103.72-2,163,091.69

Finding the Fourth Proportional to 3,998,637.93, 5,518,103.72 and 2,163,091.69

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Solution

The fourth proportional to 3,998,637.93, 5,518,103.72 and 2,163,091.69 is: 2,985,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,637.93 : 5,518,103.72 = 2,163,091.69 : x
  2. Step 2: Convert to fraction form
    3,998,637.93/5,518,103.72 = 2,163,091.69/x
  3. Step 3: Cross multiply
    3,998,637.93x = 5,518,103.72 × 2,163,091.69
  4. Step 4: Simplify right side
    3,998,637.93x = 11,936,164,301,290.09
  5. Step 5: Solve for x
    x = 11,936,164,301,290.09/3,998,637.93
  6. Step 6: Final answer
    x = 2,985,057.54

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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.