Home / 2,189,949.30-3,283,874.19-1,124,442.90

Finding the Fourth Proportional to 2,189,949.30, 3,283,874.19 and 1,124,442.90

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Solution

The fourth proportional to 2,189,949.30, 3,283,874.19 and 1,124,442.90 is: 1,686,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,949.30 : 3,283,874.19 = 1,124,442.90 : x
  2. Step 2: Convert to fraction form
    2,189,949.30/3,283,874.19 = 1,124,442.90/x
  3. Step 3: Cross multiply
    2,189,949.30x = 3,283,874.19 × 1,124,442.90
  4. Step 4: Simplify right side
    2,189,949.30x = 3,692,529,017,438.75
  5. Step 5: Solve for x
    x = 3,692,529,017,438.75/2,189,949.30
  6. Step 6: Final answer
    x = 1,686,125.34

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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.