Home / 2,619,442.80-3,929,640.12-1,082,441.88

Finding the Fourth Proportional to 2,619,442.80, 3,929,640.12 and 1,082,441.88

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Solution

The fourth proportional to 2,619,442.80, 3,929,640.12 and 1,082,441.88 is: 1,623,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,442.80 : 3,929,640.12 = 1,082,441.88 : x
  2. Step 2: Convert to fraction form
    2,619,442.80/3,929,640.12 = 1,082,441.88/x
  3. Step 3: Cross multiply
    2,619,442.80x = 3,929,640.12 × 1,082,441.88
  4. Step 4: Simplify right side
    2,619,442.80x = 4,253,607,039,216.23
  5. Step 5: Solve for x
    x = 4,253,607,039,216.23/2,619,442.80
  6. Step 6: Final answer
    x = 1,623,859.49

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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.