Home / 3,818,018.20-5,726,895.54-978,158.20

Finding the Fourth Proportional to 3,818,018.20, 5,726,895.54 and 978,158.20

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Solution

The fourth proportional to 3,818,018.20, 5,726,895.54 and 978,158.20 is: 1,467,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,018.20 : 5,726,895.54 = 978,158.20 : x
  2. Step 2: Convert to fraction form
    3,818,018.20/5,726,895.54 = 978,158.20/x
  3. Step 3: Cross multiply
    3,818,018.20x = 5,726,895.54 × 978,158.20
  4. Step 4: Simplify right side
    3,818,018.20x = 5,601,809,832,994.43
  5. Step 5: Solve for x
    x = 5,601,809,832,994.43/3,818,018.20
  6. Step 6: Final answer
    x = 1,467,203.54

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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.