Home / 2,405,815-3,320,024.70-1,438,986.04

Finding the Fourth Proportional to 2,405,815, 3,320,024.70 and 1,438,986.04

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Solution

The fourth proportional to 2,405,815, 3,320,024.70 and 1,438,986.04 is: 1,985,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,815 : 3,320,024.70 = 1,438,986.04 : x
  2. Step 2: Convert to fraction form
    2,405,815/3,320,024.70 = 1,438,986.04/x
  3. Step 3: Cross multiply
    2,405,815x = 3,320,024.70 × 1,438,986.04
  4. Step 4: Simplify right side
    2,405,815x = 4,777,469,195,755.19
  5. Step 5: Solve for x
    x = 4,777,469,195,755.19/2,405,815
  6. Step 6: Final answer
    x = 1,985,800.74

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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.