Home / 3,100,679.40-4,651,019.22-970,930.20

Finding the Fourth Proportional to 3,100,679.40, 4,651,019.22 and 970,930.20

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Solution

The fourth proportional to 3,100,679.40, 4,651,019.22 and 970,930.20 is: 1,456,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,679.40 : 4,651,019.22 = 970,930.20 : x
  2. Step 2: Convert to fraction form
    3,100,679.40/4,651,019.22 = 970,930.20/x
  3. Step 3: Cross multiply
    3,100,679.40x = 4,651,019.22 × 970,930.20
  4. Step 4: Simplify right side
    3,100,679.40x = 4,515,815,021,478.44
  5. Step 5: Solve for x
    x = 4,515,815,021,478.44/3,100,679.40
  6. Step 6: Final answer
    x = 1,456,395.34

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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.