Home / 3,279,391.25-4,908,997.76-2,139,699.41

Finding the Fourth Proportional to 3,279,391.25, 4,908,997.76 and 2,139,699.41

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Solution

The fourth proportional to 3,279,391.25, 4,908,997.76 and 2,139,699.41 is: 3,202,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,391.25 : 4,908,997.76 = 2,139,699.41 : x
  2. Step 2: Convert to fraction form
    3,279,391.25/4,908,997.76 = 2,139,699.41/x
  3. Step 3: Cross multiply
    3,279,391.25x = 4,908,997.76 × 2,139,699.41
  4. Step 4: Simplify right side
    3,279,391.25x = 10,503,779,575,519.83
  5. Step 5: Solve for x
    x = 10,503,779,575,519.83/3,279,391.25
  6. Step 6: Final answer
    x = 3,202,966.28

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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.