Home / 3,839,919.93-5,298,987.83-2,121,003.45

Finding the Fourth Proportional to 3,839,919.93, 5,298,987.83 and 2,121,003.45

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Solution

The fourth proportional to 3,839,919.93, 5,298,987.83 and 2,121,003.45 is: 2,926,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,919.93 : 5,298,987.83 = 2,121,003.45 : x
  2. Step 2: Convert to fraction form
    3,839,919.93/5,298,987.83 = 2,121,003.45/x
  3. Step 3: Cross multiply
    3,839,919.93x = 5,298,987.83 × 2,121,003.45
  4. Step 4: Simplify right side
    3,839,919.93x = 11,239,171,458,333.00
  5. Step 5: Solve for x
    x = 11,239,171,458,333.00/3,839,919.93
  6. Step 6: Final answer
    x = 2,926,928.60

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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.