Home / 1,642,190.30-2,267,288.96-1,469,809.75

Finding the Fourth Proportional to 1,642,190.30, 2,267,288.96 and 1,469,809.75

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Solution

The fourth proportional to 1,642,190.30, 2,267,288.96 and 1,469,809.75 is: 2,029,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,190.30 : 2,267,288.96 = 1,469,809.75 : x
  2. Step 2: Convert to fraction form
    1,642,190.30/2,267,288.96 = 1,469,809.75/x
  3. Step 3: Cross multiply
    1,642,190.30x = 2,267,288.96 × 1,469,809.75
  4. Step 4: Simplify right side
    1,642,190.30x = 3,332,483,419,475.36
  5. Step 5: Solve for x
    x = 3,332,483,419,475.36/1,642,190.30
  6. Step 6: Final answer
    x = 2,029,291.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.