Home / 3,188,016.08-4,399,968.84-1,965,041.36

Finding the Fourth Proportional to 3,188,016.08, 4,399,968.84 and 1,965,041.36

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Solution

The fourth proportional to 3,188,016.08, 4,399,968.84 and 1,965,041.36 is: 2,712,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,016.08 : 4,399,968.84 = 1,965,041.36 : x
  2. Step 2: Convert to fraction form
    3,188,016.08/4,399,968.84 = 1,965,041.36/x
  3. Step 3: Cross multiply
    3,188,016.08x = 4,399,968.84 × 1,965,041.36
  4. Step 4: Simplify right side
    3,188,016.08x = 8,646,120,753,311.22
  5. Step 5: Solve for x
    x = 8,646,120,753,311.22/3,188,016.08
  6. Step 6: Final answer
    x = 2,712,069.37

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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.