Home / 1,986,016.81-2,979,468.07-723,844.44

Finding the Fourth Proportional to 1,986,016.81, 2,979,468.07 and 723,844.44

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Solution

The fourth proportional to 1,986,016.81, 2,979,468.07 and 723,844.44 is: 1,085,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,016.81 : 2,979,468.07 = 723,844.44 : x
  2. Step 2: Convert to fraction form
    1,986,016.81/2,979,468.07 = 723,844.44/x
  3. Step 3: Cross multiply
    1,986,016.81x = 2,979,468.07 × 723,844.44
  4. Step 4: Simplify right side
    1,986,016.81x = 2,156,671,396,627.03
  5. Step 5: Solve for x
    x = 2,156,671,396,627.03/1,986,016.81
  6. Step 6: Final answer
    x = 1,085,928.07

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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.