Home / 3,181,351.28-4,388,591.76-1,891,274

Finding the Fourth Proportional to 3,181,351.28, 4,388,591.76 and 1,891,274

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Solution

The fourth proportional to 3,181,351.28, 4,388,591.76 and 1,891,274 is: 2,608,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,351.28 : 4,388,591.76 = 1,891,274 : x
  2. Step 2: Convert to fraction form
    3,181,351.28/4,388,591.76 = 1,891,274/x
  3. Step 3: Cross multiply
    3,181,351.28x = 4,388,591.76 × 1,891,274
  4. Step 4: Simplify right side
    3,181,351.28x = 8,300,029,492,302.24
  5. Step 5: Solve for x
    x = 8,300,029,492,302.24/3,181,351.28
  6. Step 6: Final answer
    x = 2,608,963.54

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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.