Home / 1,615,169.12-2,228,933.44-936,499.28

Finding the Fourth Proportional to 1,615,169.12, 2,228,933.44 and 936,499.28

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Solution

The fourth proportional to 1,615,169.12, 2,228,933.44 and 936,499.28 is: 1,292,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,169.12 : 2,228,933.44 = 936,499.28 : x
  2. Step 2: Convert to fraction form
    1,615,169.12/2,228,933.44 = 936,499.28/x
  3. Step 3: Cross multiply
    1,615,169.12x = 2,228,933.44 × 936,499.28
  4. Step 4: Simplify right side
    1,615,169.12x = 2,087,394,561,727.92
  5. Step 5: Solve for x
    x = 2,087,394,561,727.92/1,615,169.12
  6. Step 6: Final answer
    x = 1,292,369.04

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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.