Home / 5,101,919.70-7,040,648.93-2,810,080.38

Finding the Fourth Proportional to 5,101,919.70, 7,040,648.93 and 2,810,080.38

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Solution

The fourth proportional to 5,101,919.70, 7,040,648.93 and 2,810,080.38 is: 3,877,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,919.70 : 7,040,648.93 = 2,810,080.38 : x
  2. Step 2: Convert to fraction form
    5,101,919.70/7,040,648.93 = 2,810,080.38/x
  3. Step 3: Cross multiply
    5,101,919.70x = 7,040,648.93 × 2,810,080.38
  4. Step 4: Simplify right side
    5,101,919.70x = 19,784,789,433,013.02
  5. Step 5: Solve for x
    x = 19,784,789,433,013.02/5,101,919.70
  6. Step 6: Final answer
    x = 3,877,910.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.