Home / 3,101,850.20-4,652,921.10-972,003.80

Finding the Fourth Proportional to 3,101,850.20, 4,652,921.10 and 972,003.80

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Solution

The fourth proportional to 3,101,850.20, 4,652,921.10 and 972,003.80 is: 1,458,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,850.20 : 4,652,921.10 = 972,003.80 : x
  2. Step 2: Convert to fraction form
    3,101,850.20/4,652,921.10 = 972,003.80/x
  3. Step 3: Cross multiply
    3,101,850.20x = 4,652,921.10 × 972,003.80
  4. Step 4: Simplify right side
    3,101,850.20x = 4,522,656,990,300.18
  5. Step 5: Solve for x
    x = 4,522,656,990,300.18/3,101,850.20
  6. Step 6: Final answer
    x = 1,458,051.39

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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.