Home / 2,723,231.80-4,084,847.70-728,687.80

Finding the Fourth Proportional to 2,723,231.80, 4,084,847.70 and 728,687.80

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Solution

The fourth proportional to 2,723,231.80, 4,084,847.70 and 728,687.80 is: 1,093,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,231.80 : 4,084,847.70 = 728,687.80 : x
  2. Step 2: Convert to fraction form
    2,723,231.80/4,084,847.70 = 728,687.80/x
  3. Step 3: Cross multiply
    2,723,231.80x = 4,084,847.70 × 728,687.80
  4. Step 4: Simplify right side
    2,723,231.80x = 2,976,578,683,848.06
  5. Step 5: Solve for x
    x = 2,976,578,683,848.06/2,723,231.80
  6. Step 6: Final answer
    x = 1,093,031.70

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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.