Home / 5,376,181.38-7,419,101.19-2,928,786.56

Finding the Fourth Proportional to 5,376,181.38, 7,419,101.19 and 2,928,786.56

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Solution

The fourth proportional to 5,376,181.38, 7,419,101.19 and 2,928,786.56 is: 4,041,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,181.38 : 7,419,101.19 = 2,928,786.56 : x
  2. Step 2: Convert to fraction form
    5,376,181.38/7,419,101.19 = 2,928,786.56/x
  3. Step 3: Cross multiply
    5,376,181.38x = 7,419,101.19 × 2,928,786.56
  4. Step 4: Simplify right side
    5,376,181.38x = 21,728,963,815,456.50
  5. Step 5: Solve for x
    x = 21,728,963,815,456.50/5,376,181.38
  6. Step 6: Final answer
    x = 4,041,709.59

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1.5x scale

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.