Home / 2,672,993.70-4,010,408.55-780,012.90

Finding the Fourth Proportional to 2,672,993.70, 4,010,408.55 and 780,012.90

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Solution

The fourth proportional to 2,672,993.70, 4,010,408.55 and 780,012.90 is: 1,170,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,993.70 : 4,010,408.55 = 780,012.90 : x
  2. Step 2: Convert to fraction form
    2,672,993.70/4,010,408.55 = 780,012.90/x
  3. Step 3: Cross multiply
    2,672,993.70x = 4,010,408.55 × 780,012.90
  4. Step 4: Simplify right side
    2,672,993.70x = 3,128,170,403,270.30
  5. Step 5: Solve for x
    x = 3,128,170,403,270.30/2,672,993.70
  6. Step 6: Final answer
    x = 1,170,287.23

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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.