Home / 3,692,921.60-5,097,082.10-2,165,520.80

Finding the Fourth Proportional to 3,692,921.60, 5,097,082.10 and 2,165,520.80

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Solution

The fourth proportional to 3,692,921.60, 5,097,082.10 and 2,165,520.80 is: 2,988,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,921.60 : 5,097,082.10 = 2,165,520.80 : x
  2. Step 2: Convert to fraction form
    3,692,921.60/5,097,082.10 = 2,165,520.80/x
  3. Step 3: Cross multiply
    3,692,921.60x = 5,097,082.10 × 2,165,520.80
  4. Step 4: Simplify right side
    3,692,921.60x = 11,037,837,306,857.68
  5. Step 5: Solve for x
    x = 11,037,837,306,857.68/3,692,921.60
  6. Step 6: Final answer
    x = 2,988,917.31

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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.