Home / 6,619,743-9,929,615.04-2,132,019

Finding the Fourth Proportional to 6,619,743, 9,929,615.04 and 2,132,019

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Solution

The fourth proportional to 6,619,743, 9,929,615.04 and 2,132,019 is: 3,198,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,743 : 9,929,615.04 = 2,132,019 : x
  2. Step 2: Convert to fraction form
    6,619,743/9,929,615.04 = 2,132,019/x
  3. Step 3: Cross multiply
    6,619,743x = 9,929,615.04 × 2,132,019
  4. Step 4: Simplify right side
    6,619,743x = 21,170,127,927,965.76
  5. Step 5: Solve for x
    x = 21,170,127,927,965.76/6,619,743
  6. Step 6: Final answer
    x = 3,198,028.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.