Home / 3,839,747.21-5,298,399.69-2,120,765.21

Finding the Fourth Proportional to 3,839,747.21, 5,298,399.69 and 2,120,765.21

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Solution

The fourth proportional to 3,839,747.21, 5,298,399.69 and 2,120,765.21 is: 2,926,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,747.21 : 5,298,399.69 = 2,120,765.21 : x
  2. Step 2: Convert to fraction form
    3,839,747.21/5,298,399.69 = 2,120,765.21/x
  3. Step 3: Cross multiply
    3,839,747.21x = 5,298,399.69 × 2,120,765.21
  4. Step 4: Simplify right side
    3,839,747.21x = 11,236,661,731,226.79
  5. Step 5: Solve for x
    x = 11,236,661,731,226.79/3,839,747.21
  6. Step 6: Final answer
    x = 2,926,406.64

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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.