Home / 2,107,000.28-3,160,899.08-668,046.12

Finding the Fourth Proportional to 2,107,000.28, 3,160,899.08 and 668,046.12

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Solution

The fourth proportional to 2,107,000.28, 3,160,899.08 and 668,046.12 is: 1,002,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,000.28 : 3,160,899.08 = 668,046.12 : x
  2. Step 2: Convert to fraction form
    2,107,000.28/3,160,899.08 = 668,046.12/x
  3. Step 3: Cross multiply
    2,107,000.28x = 3,160,899.08 × 668,046.12
  4. Step 4: Simplify right side
    2,107,000.28x = 2,111,626,366,105.57
  5. Step 5: Solve for x
    x = 2,111,626,366,105.57/2,107,000.28
  6. Step 6: Final answer
    x = 1,002,195.58

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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.