Home / 2,040,970.30-2,816,538.20-1,123,199.44

Finding the Fourth Proportional to 2,040,970.30, 2,816,538.20 and 1,123,199.44

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Solution

The fourth proportional to 2,040,970.30, 2,816,538.20 and 1,123,199.44 is: 1,550,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,970.30 : 2,816,538.20 = 1,123,199.44 : x
  2. Step 2: Convert to fraction form
    2,040,970.30/2,816,538.20 = 1,123,199.44/x
  3. Step 3: Cross multiply
    2,040,970.30x = 2,816,538.20 × 1,123,199.44
  4. Step 4: Simplify right side
    2,040,970.30x = 3,163,534,128,978.61
  5. Step 5: Solve for x
    x = 3,163,534,128,978.61/2,040,970.30
  6. Step 6: Final answer
    x = 1,550,014.78

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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.