Home / 3,945,689.34-5,444,940.99-2,226,969.78

Finding the Fourth Proportional to 3,945,689.34, 5,444,940.99 and 2,226,969.78

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Solution

The fourth proportional to 3,945,689.34, 5,444,940.99 and 2,226,969.78 is: 3,073,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,689.34 : 5,444,940.99 = 2,226,969.78 : x
  2. Step 2: Convert to fraction form
    3,945,689.34/5,444,940.99 = 2,226,969.78/x
  3. Step 3: Cross multiply
    3,945,689.34x = 5,444,940.99 × 2,226,969.78
  4. Step 4: Simplify right side
    3,945,689.34x = 12,125,719,038,613.28
  5. Step 5: Solve for x
    x = 12,125,719,038,613.28/3,945,689.34
  6. Step 6: Final answer
    x = 3,073,156.04

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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.