Home / 3,190,083.30-4,782,097.44-1,272,171.78

Finding the Fourth Proportional to 3,190,083.30, 4,782,097.44 and 1,272,171.78

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Solution

The fourth proportional to 3,190,083.30, 4,782,097.44 and 1,272,171.78 is: 1,907,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,083.30 : 4,782,097.44 = 1,272,171.78 : x
  2. Step 2: Convert to fraction form
    3,190,083.30/4,782,097.44 = 1,272,171.78/x
  3. Step 3: Cross multiply
    3,190,083.30x = 4,782,097.44 × 1,272,171.78
  4. Step 4: Simplify right side
    3,190,083.30x = 6,083,649,412,378.24
  5. Step 5: Solve for x
    x = 6,083,649,412,378.24/3,190,083.30
  6. Step 6: Final answer
    x = 1,907,050.33

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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.