Home / 2,179,449.78-3,269,141.85-980,525.46

Finding the Fourth Proportional to 2,179,449.78, 3,269,141.85 and 980,525.46

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Solution

The fourth proportional to 2,179,449.78, 3,269,141.85 and 980,525.46 is: 1,470,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,449.78 : 3,269,141.85 = 980,525.46 : x
  2. Step 2: Convert to fraction form
    2,179,449.78/3,269,141.85 = 980,525.46/x
  3. Step 3: Cross multiply
    2,179,449.78x = 3,269,141.85 × 980,525.46
  4. Step 4: Simplify right side
    2,179,449.78x = 3,205,476,816,276.50
  5. Step 5: Solve for x
    x = 3,205,476,816,276.50/2,179,449.78
  6. Step 6: Final answer
    x = 1,470,773.42

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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.