Home / 6,619,992-9,135,871.18-3,719,388.48

Finding the Fourth Proportional to 6,619,992, 9,135,871.18 and 3,719,388.48

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Solution

The fourth proportional to 6,619,992, 9,135,871.18 and 3,719,388.48 is: 5,132,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,992 : 9,135,871.18 = 3,719,388.48 : x
  2. Step 2: Convert to fraction form
    6,619,992/9,135,871.18 = 3,719,388.48/x
  3. Step 3: Cross multiply
    6,619,992x = 9,135,871.18 × 3,719,388.48
  4. Step 4: Simplify right side
    6,619,992x = 33,979,854,021,656.00
  5. Step 5: Solve for x
    x = 33,979,854,021,656.00/6,619,992
  6. Step 6: Final answer
    x = 5,132,914.67

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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.