Home / 2,888,921.52-3,986,705.25-1,665,218.94

Finding the Fourth Proportional to 2,888,921.52, 3,986,705.25 and 1,665,218.94

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Solution

The fourth proportional to 2,888,921.52, 3,986,705.25 and 1,665,218.94 is: 2,297,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,921.52 : 3,986,705.25 = 1,665,218.94 : x
  2. Step 2: Convert to fraction form
    2,888,921.52/3,986,705.25 = 1,665,218.94/x
  3. Step 3: Cross multiply
    2,888,921.52x = 3,986,705.25 × 1,665,218.94
  4. Step 4: Simplify right side
    2,888,921.52x = 6,638,737,090,497.44
  5. Step 5: Solve for x
    x = 6,638,737,090,497.44/2,888,921.52
  6. Step 6: Final answer
    x = 2,297,998.42

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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.