Home / 2,206,372.80-3,308,781.60-786,475.20

Finding the Fourth Proportional to 2,206,372.80, 3,308,781.60 and 786,475.20

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Solution

The fourth proportional to 2,206,372.80, 3,308,781.60 and 786,475.20 is: 1,179,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,372.80 : 3,308,781.60 = 786,475.20 : x
  2. Step 2: Convert to fraction form
    2,206,372.80/3,308,781.60 = 786,475.20/x
  3. Step 3: Cross multiply
    2,206,372.80x = 3,308,781.60 × 786,475.20
  4. Step 4: Simplify right side
    2,206,372.80x = 2,602,274,670,616.32
  5. Step 5: Solve for x
    x = 2,602,274,670,616.32/2,206,372.80
  6. Step 6: Final answer
    x = 1,179,435.62

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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.