Home / 3,619,940.10-5,425,244.55-2,198,487.30

Finding the Fourth Proportional to 3,619,940.10, 5,425,244.55 and 2,198,487.30

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Solution

The fourth proportional to 3,619,940.10, 5,425,244.55 and 2,198,487.30 is: 3,294,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,940.10 : 5,425,244.55 = 2,198,487.30 : x
  2. Step 2: Convert to fraction form
    3,619,940.10/5,425,244.55 = 2,198,487.30/x
  3. Step 3: Cross multiply
    3,619,940.10x = 5,425,244.55 × 2,198,487.30
  4. Step 4: Simplify right side
    3,619,940.10x = 11,927,331,242,569.21
  5. Step 5: Solve for x
    x = 11,927,331,242,569.21/3,619,940.10
  6. Step 6: Final answer
    x = 3,294,897.41

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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.