Home / 5,172,676.28-7,138,295.46-2,998,480.56

Finding the Fourth Proportional to 5,172,676.28, 7,138,295.46 and 2,998,480.56

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Solution

The fourth proportional to 5,172,676.28, 7,138,295.46 and 2,998,480.56 is: 4,137,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,676.28 : 7,138,295.46 = 2,998,480.56 : x
  2. Step 2: Convert to fraction form
    5,172,676.28/7,138,295.46 = 2,998,480.56/x
  3. Step 3: Cross multiply
    5,172,676.28x = 7,138,295.46 × 2,998,480.56
  4. Step 4: Simplify right side
    5,172,676.28x = 21,404,040,168,346.26
  5. Step 5: Solve for x
    x = 21,404,040,168,346.26/5,172,676.28
  6. Step 6: Final answer
    x = 4,137,904.44

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1.5x scale

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.