Home / 2,419,431.62-3,629,156.93-980,142.21

Finding the Fourth Proportional to 2,419,431.62, 3,629,156.93 and 980,142.21

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Solution

The fourth proportional to 2,419,431.62, 3,629,156.93 and 980,142.21 is: 1,470,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,431.62 : 3,629,156.93 = 980,142.21 : x
  2. Step 2: Convert to fraction form
    2,419,431.62/3,629,156.93 = 980,142.21/x
  3. Step 3: Cross multiply
    2,419,431.62x = 3,629,156.93 × 980,142.21
  4. Step 4: Simplify right side
    2,419,431.62x = 3,557,089,892,581.84
  5. Step 5: Solve for x
    x = 3,557,089,892,581.84/2,419,431.62
  6. Step 6: Final answer
    x = 1,470,217.17

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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.