Home / 3,188,131-4,782,947.26-1,269,151.50

Finding the Fourth Proportional to 3,188,131, 4,782,947.26 and 1,269,151.50

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Solution

The fourth proportional to 3,188,131, 4,782,947.26 and 1,269,151.50 is: 1,904,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,131 : 4,782,947.26 = 1,269,151.50 : x
  2. Step 2: Convert to fraction form
    3,188,131/4,782,947.26 = 1,269,151.50/x
  3. Step 3: Cross multiply
    3,188,131x = 4,782,947.26 × 1,269,151.50
  4. Step 4: Simplify right side
    3,188,131x = 6,070,284,689,449.89
  5. Step 5: Solve for x
    x = 6,070,284,689,449.89/3,188,131
  6. Step 6: Final answer
    x = 1,904,026.12

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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.