Home / 3,740,579.28-5,161,896.15-2,108,972.39

Finding the Fourth Proportional to 3,740,579.28, 5,161,896.15 and 2,108,972.39

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Solution

The fourth proportional to 3,740,579.28, 5,161,896.15 and 2,108,972.39 is: 2,910,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,579.28 : 5,161,896.15 = 2,108,972.39 : x
  2. Step 2: Convert to fraction form
    3,740,579.28/5,161,896.15 = 2,108,972.39/x
  3. Step 3: Cross multiply
    3,740,579.28x = 5,161,896.15 × 2,108,972.39
  4. Step 4: Simplify right side
    3,740,579.28x = 10,886,296,434,587.82
  5. Step 5: Solve for x
    x = 10,886,296,434,587.82/3,740,579.28
  6. Step 6: Final answer
    x = 2,910,323.67

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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.