Home / 2,099,618.40-3,150,205.20-838,351.20

Finding the Fourth Proportional to 2,099,618.40, 3,150,205.20 and 838,351.20

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Solution

The fourth proportional to 2,099,618.40, 3,150,205.20 and 838,351.20 is: 1,257,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,618.40 : 3,150,205.20 = 838,351.20 : x
  2. Step 2: Convert to fraction form
    2,099,618.40/3,150,205.20 = 838,351.20/x
  3. Step 3: Cross multiply
    2,099,618.40x = 3,150,205.20 × 838,351.20
  4. Step 4: Simplify right side
    2,099,618.40x = 2,640,978,309,666.24
  5. Step 5: Solve for x
    x = 2,640,978,309,666.24/2,099,618.40
  6. Step 6: Final answer
    x = 1,257,837.29

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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.