Home / 2,199,633.45-3,299,286.15-919,910.40

Finding the Fourth Proportional to 2,199,633.45, 3,299,286.15 and 919,910.40

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Solution

The fourth proportional to 2,199,633.45, 3,299,286.15 and 919,910.40 is: 1,379,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,633.45 : 3,299,286.15 = 919,910.40 : x
  2. Step 2: Convert to fraction form
    2,199,633.45/3,299,286.15 = 919,910.40/x
  3. Step 3: Cross multiply
    2,199,633.45x = 3,299,286.15 × 919,910.40
  4. Step 4: Simplify right side
    2,199,633.45x = 3,035,047,641,960.96
  5. Step 5: Solve for x
    x = 3,035,047,641,960.96/2,199,633.45
  6. Step 6: Final answer
    x = 1,379,797.00

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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.