Home / 2,513,861.78-3,469,207.66-1,426,179.20

Finding the Fourth Proportional to 2,513,861.78, 3,469,207.66 and 1,426,179.20

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Solution

The fourth proportional to 2,513,861.78, 3,469,207.66 and 1,426,179.20 is: 1,968,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513,861.78 : 3,469,207.66 = 1,426,179.20 : x
  2. Step 2: Convert to fraction form
    2,513,861.78/3,469,207.66 = 1,426,179.20/x
  3. Step 3: Cross multiply
    2,513,861.78x = 3,469,207.66 × 1,426,179.20
  4. Step 4: Simplify right side
    2,513,861.78x = 4,947,711,805,172.67
  5. Step 5: Solve for x
    x = 4,947,711,805,172.67/2,513,861.78
  6. Step 6: Final answer
    x = 1,968,171.78

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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.