Home / 3,644,029.80-5,455,437-1,910,789.64

Finding the Fourth Proportional to 3,644,029.80, 5,455,437 and 1,910,789.64

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Solution

The fourth proportional to 3,644,029.80, 5,455,437 and 1,910,789.64 is: 2,860,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,029.80 : 5,455,437 = 1,910,789.64 : x
  2. Step 2: Convert to fraction form
    3,644,029.80/5,455,437 = 1,910,789.64/x
  3. Step 3: Cross multiply
    3,644,029.80x = 5,455,437 × 1,910,789.64
  4. Step 4: Simplify right side
    3,644,029.80x = 10,424,192,501,272.68
  5. Step 5: Solve for x
    x = 10,424,192,501,272.68/3,644,029.80
  6. Step 6: Final answer
    x = 2,860,622.19

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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.