Home / 2,669,546.72-4,001,534.72-1,320,867.60

Finding the Fourth Proportional to 2,669,546.72, 4,001,534.72 and 1,320,867.60

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Solution

The fourth proportional to 2,669,546.72, 4,001,534.72 and 1,320,867.60 is: 1,979,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,546.72 : 4,001,534.72 = 1,320,867.60 : x
  2. Step 2: Convert to fraction form
    2,669,546.72/4,001,534.72 = 1,320,867.60/x
  3. Step 3: Cross multiply
    2,669,546.72x = 4,001,534.72 × 1,320,867.60
  4. Step 4: Simplify right side
    2,669,546.72x = 5,285,497,561,923.07
  5. Step 5: Solve for x
    x = 5,285,497,561,923.07/2,669,546.72
  6. Step 6: Final answer
    x = 1,979,923.23

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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.