Home / 5,207,254.50-7,812,128.82-2,172,932.44

Finding the Fourth Proportional to 5,207,254.50, 7,812,128.82 and 2,172,932.44

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Solution

The fourth proportional to 5,207,254.50, 7,812,128.82 and 2,172,932.44 is: 3,259,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,254.50 : 7,812,128.82 = 2,172,932.44 : x
  2. Step 2: Convert to fraction form
    5,207,254.50/7,812,128.82 = 2,172,932.44/x
  3. Step 3: Cross multiply
    5,207,254.50x = 7,812,128.82 × 2,172,932.44
  4. Step 4: Simplify right side
    5,207,254.50x = 16,975,228,138,436.92
  5. Step 5: Solve for x
    x = 16,975,228,138,436.92/5,207,254.50
  6. Step 6: Final answer
    x = 3,259,919.05

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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.