Home / 2,850,782.87-3,934,081.08-1,561,669.09

Finding the Fourth Proportional to 2,850,782.87, 3,934,081.08 and 1,561,669.09

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Solution

The fourth proportional to 2,850,782.87, 3,934,081.08 and 1,561,669.09 is: 2,155,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,782.87 : 3,934,081.08 = 1,561,669.09 : x
  2. Step 2: Convert to fraction form
    2,850,782.87/3,934,081.08 = 1,561,669.09/x
  3. Step 3: Cross multiply
    2,850,782.87x = 3,934,081.08 × 1,561,669.09
  4. Step 4: Simplify right side
    2,850,782.87x = 6,143,732,810,354.61
  5. Step 5: Solve for x
    x = 6,143,732,810,354.61/2,850,782.87
  6. Step 6: Final answer
    x = 2,155,103.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.