Home / 6,643,420.05-9,167,919.62-3,587,634.03

Finding the Fourth Proportional to 6,643,420.05, 9,167,919.62 and 3,587,634.03

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Solution

The fourth proportional to 6,643,420.05, 9,167,919.62 and 3,587,634.03 is: 4,950,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,420.05 : 9,167,919.62 = 3,587,634.03 : x
  2. Step 2: Convert to fraction form
    6,643,420.05/9,167,919.62 = 3,587,634.03/x
  3. Step 3: Cross multiply
    6,643,420.05x = 9,167,919.62 × 3,587,634.03
  4. Step 4: Simplify right side
    6,643,420.05x = 32,891,140,395,078.50
  5. Step 5: Solve for x
    x = 32,891,140,395,078.50/6,643,420.05
  6. Step 6: Final answer
    x = 4,950,934.93

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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.