Home / 1,987,220.73-2,741,056.73-1,435,016.85

Finding the Fourth Proportional to 1,987,220.73, 2,741,056.73 and 1,435,016.85

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Solution

The fourth proportional to 1,987,220.73, 2,741,056.73 and 1,435,016.85 is: 1,979,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,220.73 : 2,741,056.73 = 1,435,016.85 : x
  2. Step 2: Convert to fraction form
    1,987,220.73/2,741,056.73 = 1,435,016.85/x
  3. Step 3: Cross multiply
    1,987,220.73x = 2,741,056.73 × 1,435,016.85
  4. Step 4: Simplify right side
    1,987,220.73x = 3,933,462,597,539.89
  5. Step 5: Solve for x
    x = 3,933,462,597,539.89/1,987,220.73
  6. Step 6: Final answer
    x = 1,979,378.81

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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.