Home / 2,619,840.11-3,928,515.62-913,776.10

Finding the Fourth Proportional to 2,619,840.11, 3,928,515.62 and 913,776.10

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Solution

The fourth proportional to 2,619,840.11, 3,928,515.62 and 913,776.10 is: 1,370,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,840.11 : 3,928,515.62 = 913,776.10 : x
  2. Step 2: Convert to fraction form
    2,619,840.11/3,928,515.62 = 913,776.10/x
  3. Step 3: Cross multiply
    2,619,840.11x = 3,928,515.62 × 913,776.10
  4. Step 4: Simplify right side
    2,619,840.11x = 3,589,783,675,736.98
  5. Step 5: Solve for x
    x = 3,589,783,675,736.98/2,619,840.11
  6. Step 6: Final answer
    x = 1,370,230.06

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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.