Home / 3,876,471.10-5,815,581.61-1,282,769.22

Finding the Fourth Proportional to 3,876,471.10, 5,815,581.61 and 1,282,769.22

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Solution

The fourth proportional to 3,876,471.10, 5,815,581.61 and 1,282,769.22 is: 1,924,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,471.10 : 5,815,581.61 = 1,282,769.22 : x
  2. Step 2: Convert to fraction form
    3,876,471.10/5,815,581.61 = 1,282,769.22/x
  3. Step 3: Cross multiply
    3,876,471.10x = 5,815,581.61 × 1,282,769.22
  4. Step 4: Simplify right side
    3,876,471.10x = 7,460,049,085,706.05
  5. Step 5: Solve for x
    x = 7,460,049,085,706.05/3,876,471.10
  6. Step 6: Final answer
    x = 1,924,443.36

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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.