Home / 3,818,023.20-5,726,903.04-978,163.20

Finding the Fourth Proportional to 3,818,023.20, 5,726,903.04 and 978,163.20

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Solution

The fourth proportional to 3,818,023.20, 5,726,903.04 and 978,163.20 is: 1,467,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,023.20 : 5,726,903.04 = 978,163.20 : x
  2. Step 2: Convert to fraction form
    3,818,023.20/5,726,903.04 = 978,163.20/x
  3. Step 3: Cross multiply
    3,818,023.20x = 5,726,903.04 × 978,163.20
  4. Step 4: Simplify right side
    3,818,023.20x = 5,601,845,803,696.13
  5. Step 5: Solve for x
    x = 5,601,845,803,696.13/3,818,023.20
  6. Step 6: Final answer
    x = 1,467,211.04

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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.