Home / 3,419,415.22-5,129,121.80-1,289,001.11

Finding the Fourth Proportional to 3,419,415.22, 5,129,121.80 and 1,289,001.11

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Solution

The fourth proportional to 3,419,415.22, 5,129,121.80 and 1,289,001.11 is: 1,933,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,415.22 : 5,129,121.80 = 1,289,001.11 : x
  2. Step 2: Convert to fraction form
    3,419,415.22/5,129,121.80 = 1,289,001.11/x
  3. Step 3: Cross multiply
    3,419,415.22x = 5,129,121.80 × 1,289,001.11
  4. Step 4: Simplify right side
    3,419,415.22x = 6,611,443,693,525.20
  5. Step 5: Solve for x
    x = 6,611,443,693,525.20/3,419,415.22
  6. Step 6: Final answer
    x = 1,933,501.28

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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.