Home / 2,082,907.30-3,124,331.79-820,745.86

Finding the Fourth Proportional to 2,082,907.30, 3,124,331.79 and 820,745.86

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Solution

The fourth proportional to 2,082,907.30, 3,124,331.79 and 820,745.86 is: 1,231,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,907.30 : 3,124,331.79 = 820,745.86 : x
  2. Step 2: Convert to fraction form
    2,082,907.30/3,124,331.79 = 820,745.86/x
  3. Step 3: Cross multiply
    2,082,907.30x = 3,124,331.79 × 820,745.86
  4. Step 4: Simplify right side
    2,082,907.30x = 2,564,282,381,908.89
  5. Step 5: Solve for x
    x = 2,564,282,381,908.89/2,082,907.30
  6. Step 6: Final answer
    x = 1,231,107.30

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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.