Home / 3,818,216.20-5,727,194.70-978,356.20

Finding the Fourth Proportional to 3,818,216.20, 5,727,194.70 and 978,356.20

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Solution

The fourth proportional to 3,818,216.20, 5,727,194.70 and 978,356.20 is: 1,467,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,216.20 : 5,727,194.70 = 978,356.20 : x
  2. Step 2: Convert to fraction form
    3,818,216.20/5,727,194.70 = 978,356.20/x
  3. Step 3: Cross multiply
    3,818,216.20x = 5,727,194.70 × 978,356.20
  4. Step 4: Simplify right side
    3,818,216.20x = 5,603,236,443,352.14
  5. Step 5: Solve for x
    x = 5,603,236,443,352.14/3,818,216.20
  6. Step 6: Final answer
    x = 1,467,501.09

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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.