Home / 1,589,867.88-2,194,016.10-910,807.08

Finding the Fourth Proportional to 1,589,867.88, 2,194,016.10 and 910,807.08

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Solution

The fourth proportional to 1,589,867.88, 2,194,016.10 and 910,807.08 is: 1,256,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,867.88 : 2,194,016.10 = 910,807.08 : x
  2. Step 2: Convert to fraction form
    1,589,867.88/2,194,016.10 = 910,807.08/x
  3. Step 3: Cross multiply
    1,589,867.88x = 2,194,016.10 × 910,807.08
  4. Step 4: Simplify right side
    1,589,867.88x = 1,998,325,397,513.99
  5. Step 5: Solve for x
    x = 1,998,325,397,513.99/1,589,867.88
  6. Step 6: Final answer
    x = 1,256,912.87

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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.