Home / 2,320,645.09-3,481,680.31-1,107,769.40

Finding the Fourth Proportional to 2,320,645.09, 3,481,680.31 and 1,107,769.40

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Solution

The fourth proportional to 2,320,645.09, 3,481,680.31 and 1,107,769.40 is: 1,661,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,645.09 : 3,481,680.31 = 1,107,769.40 : x
  2. Step 2: Convert to fraction form
    2,320,645.09/3,481,680.31 = 1,107,769.40/x
  3. Step 3: Cross multiply
    2,320,645.09x = 3,481,680.31 × 1,107,769.40
  4. Step 4: Simplify right side
    2,320,645.09x = 3,856,898,902,461.67
  5. Step 5: Solve for x
    x = 3,856,898,902,461.67/2,320,645.09
  6. Step 6: Final answer
    x = 1,661,994.30

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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.