Home / 2,287,949.47-3,431,928.38-939,172.03

Finding the Fourth Proportional to 2,287,949.47, 3,431,928.38 and 939,172.03

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Solution

The fourth proportional to 2,287,949.47, 3,431,928.38 and 939,172.03 is: 1,408,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,949.47 : 3,431,928.38 = 939,172.03 : x
  2. Step 2: Convert to fraction form
    2,287,949.47/3,431,928.38 = 939,172.03/x
  3. Step 3: Cross multiply
    2,287,949.47x = 3,431,928.38 × 939,172.03
  4. Step 4: Simplify right side
    2,287,949.47x = 3,223,171,143,459.21
  5. Step 5: Solve for x
    x = 3,223,171,143,459.21/2,287,949.47
  6. Step 6: Final answer
    x = 1,408,759.76

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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.