Home / 4,969,892.70-7,454,839.05-2,578,408.20

Finding the Fourth Proportional to 4,969,892.70, 7,454,839.05 and 2,578,408.20

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Solution

The fourth proportional to 4,969,892.70, 7,454,839.05 and 2,578,408.20 is: 3,867,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,892.70 : 7,454,839.05 = 2,578,408.20 : x
  2. Step 2: Convert to fraction form
    4,969,892.70/7,454,839.05 = 2,578,408.20/x
  3. Step 3: Cross multiply
    4,969,892.70x = 7,454,839.05 × 2,578,408.20
  4. Step 4: Simplify right side
    4,969,892.70x = 19,221,618,136,200.21
  5. Step 5: Solve for x
    x = 19,221,618,136,200.21/4,969,892.70
  6. Step 6: Final answer
    x = 3,867,612.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.