Home / 2,874,144.28-3,965,871.90-1,666,687

Finding the Fourth Proportional to 2,874,144.28, 3,965,871.90 and 1,666,687

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Solution

The fourth proportional to 2,874,144.28, 3,965,871.90 and 1,666,687 is: 2,299,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,144.28 : 3,965,871.90 = 1,666,687 : x
  2. Step 2: Convert to fraction form
    2,874,144.28/3,965,871.90 = 1,666,687/x
  3. Step 3: Cross multiply
    2,874,144.28x = 3,965,871.90 × 1,666,687
  4. Step 4: Simplify right side
    2,874,144.28x = 6,609,867,139,395.30
  5. Step 5: Solve for x
    x = 6,609,867,139,395.30/2,874,144.28
  6. Step 6: Final answer
    x = 2,299,768.73

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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.