Home / 3,100,715.86-4,278,026.19-1,810,625.62

Finding the Fourth Proportional to 3,100,715.86, 4,278,026.19 and 1,810,625.62

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Solution

The fourth proportional to 3,100,715.86, 4,278,026.19 and 1,810,625.62 is: 2,498,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,715.86 : 4,278,026.19 = 1,810,625.62 : x
  2. Step 2: Convert to fraction form
    3,100,715.86/4,278,026.19 = 1,810,625.62/x
  3. Step 3: Cross multiply
    3,100,715.86x = 4,278,026.19 × 1,810,625.62
  4. Step 4: Simplify right side
    3,100,715.86x = 7,745,903,822,644.99
  5. Step 5: Solve for x
    x = 7,745,903,822,644.99/3,100,715.86
  6. Step 6: Final answer
    x = 2,498,101.78

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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.