Home / 3,213,424.45-4,820,115.87-817,248.38

Finding the Fourth Proportional to 3,213,424.45, 4,820,115.87 and 817,248.38

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Solution

The fourth proportional to 3,213,424.45, 4,820,115.87 and 817,248.38 is: 1,225,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,424.45 : 4,820,115.87 = 817,248.38 : x
  2. Step 2: Convert to fraction form
    3,213,424.45/4,820,115.87 = 817,248.38/x
  3. Step 3: Cross multiply
    3,213,424.45x = 4,820,115.87 × 817,248.38
  4. Step 4: Simplify right side
    3,213,424.45x = 3,939,231,857,982.97
  5. Step 5: Solve for x
    x = 3,939,231,857,982.97/3,213,424.45
  6. Step 6: Final answer
    x = 1,225,867.27

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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.