Home / 2,420,743.80-3,631,115.70-825,108.60

Finding the Fourth Proportional to 2,420,743.80, 3,631,115.70 and 825,108.60

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Solution

The fourth proportional to 2,420,743.80, 3,631,115.70 and 825,108.60 is: 1,237,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,743.80 : 3,631,115.70 = 825,108.60 : x
  2. Step 2: Convert to fraction form
    2,420,743.80/3,631,115.70 = 825,108.60/x
  3. Step 3: Cross multiply
    2,420,743.80x = 3,631,115.70 × 825,108.60
  4. Step 4: Simplify right side
    2,420,743.80x = 2,996,064,791,665.02
  5. Step 5: Solve for x
    x = 2,996,064,791,665.02/2,420,743.80
  6. Step 6: Final answer
    x = 1,237,662.90

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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.