Home / 3,128,837.26-4,694,604.54-1,689,234.82

Finding the Fourth Proportional to 3,128,837.26, 4,694,604.54 and 1,689,234.82

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Solution

The fourth proportional to 3,128,837.26, 4,694,604.54 and 1,689,234.82 is: 2,534,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,837.26 : 4,694,604.54 = 1,689,234.82 : x
  2. Step 2: Convert to fraction form
    3,128,837.26/4,694,604.54 = 1,689,234.82/x
  3. Step 3: Cross multiply
    3,128,837.26x = 4,694,604.54 × 1,689,234.82
  4. Step 4: Simplify right side
    3,128,837.26x = 7,930,289,455,098.08
  5. Step 5: Solve for x
    x = 7,930,289,455,098.08/3,128,837.26
  6. Step 6: Final answer
    x = 2,534,580.36

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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.