Home / 3,315,122.28-4,972,190.73-918,717.06

Finding the Fourth Proportional to 3,315,122.28, 4,972,190.73 and 918,717.06

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Solution

The fourth proportional to 3,315,122.28, 4,972,190.73 and 918,717.06 is: 1,377,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,122.28 : 4,972,190.73 = 918,717.06 : x
  2. Step 2: Convert to fraction form
    3,315,122.28/4,972,190.73 = 918,717.06/x
  3. Step 3: Cross multiply
    3,315,122.28x = 4,972,190.73 × 918,717.06
  4. Step 4: Simplify right side
    3,315,122.28x = 4,568,036,449,224.85
  5. Step 5: Solve for x
    x = 4,568,036,449,224.85/3,315,122.28
  6. Step 6: Final answer
    x = 1,377,939.05

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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.