Home / 2,117,591.64-3,176,379.90-919,357.56

Finding the Fourth Proportional to 2,117,591.64, 3,176,379.90 and 919,357.56

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Solution

The fourth proportional to 2,117,591.64, 3,176,379.90 and 919,357.56 is: 1,379,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,591.64 : 3,176,379.90 = 919,357.56 : x
  2. Step 2: Convert to fraction form
    2,117,591.64/3,176,379.90 = 919,357.56/x
  3. Step 3: Cross multiply
    2,117,591.64x = 3,176,379.90 × 919,357.56
  4. Step 4: Simplify right side
    2,117,591.64x = 2,920,228,874,497.04
  5. Step 5: Solve for x
    x = 2,920,228,874,497.04/2,117,591.64
  6. Step 6: Final answer
    x = 1,379,033.06

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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.