Home / 5,187,558.78-7,777,328.94-1,949,027.91

Finding the Fourth Proportional to 5,187,558.78, 7,777,328.94 and 1,949,027.91

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Solution

The fourth proportional to 5,187,558.78, 7,777,328.94 and 1,949,027.91 is: 2,922,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,558.78 : 7,777,328.94 = 1,949,027.91 : x
  2. Step 2: Convert to fraction form
    5,187,558.78/7,777,328.94 = 1,949,027.91/x
  3. Step 3: Cross multiply
    5,187,558.78x = 7,777,328.94 × 1,949,027.91
  4. Step 4: Simplify right side
    5,187,558.78x = 15,158,231,169,310.71
  5. Step 5: Solve for x
    x = 15,158,231,169,310.71/5,187,558.78
  6. Step 6: Final answer
    x = 2,922,035.55

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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.