Home / 5,121,167.25-7,067,218.40-2,916,031.86

Finding the Fourth Proportional to 5,121,167.25, 7,067,218.40 and 2,916,031.86

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Solution

The fourth proportional to 5,121,167.25, 7,067,218.40 and 2,916,031.86 is: 4,024,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,167.25 : 7,067,218.40 = 2,916,031.86 : x
  2. Step 2: Convert to fraction form
    5,121,167.25/7,067,218.40 = 2,916,031.86/x
  3. Step 3: Cross multiply
    5,121,167.25x = 7,067,218.40 × 2,916,031.86
  4. Step 4: Simplify right side
    5,121,167.25x = 20,608,234,012,333.18
  5. Step 5: Solve for x
    x = 20,608,234,012,333.18/5,121,167.25
  6. Step 6: Final answer
    x = 4,024,128.29

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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.