Home / 2,131,600.47-3,199,676.94-917,777.76

Finding the Fourth Proportional to 2,131,600.47, 3,199,676.94 and 917,777.76

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Solution

The fourth proportional to 2,131,600.47, 3,199,676.94 and 917,777.76 is: 1,377,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,600.47 : 3,199,676.94 = 917,777.76 : x
  2. Step 2: Convert to fraction form
    2,131,600.47/3,199,676.94 = 917,777.76/x
  3. Step 3: Cross multiply
    2,131,600.47x = 3,199,676.94 × 917,777.76
  4. Step 4: Simplify right side
    2,131,600.47x = 2,936,592,334,716.85
  5. Step 5: Solve for x
    x = 2,936,592,334,716.85/2,131,600.47
  6. Step 6: Final answer
    x = 1,377,646.69

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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.