Home / 3,213,623.64-4,820,463.14-817,470.60

Finding the Fourth Proportional to 3,213,623.64, 4,820,463.14 and 817,470.60

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Solution

The fourth proportional to 3,213,623.64, 4,820,463.14 and 817,470.60 is: 1,226,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,623.64 : 4,820,463.14 = 817,470.60 : x
  2. Step 2: Convert to fraction form
    3,213,623.64/4,820,463.14 = 817,470.60/x
  3. Step 3: Cross multiply
    3,213,623.64x = 4,820,463.14 × 817,470.60
  4. Step 4: Simplify right side
    3,213,623.64x = 3,940,586,895,333.68
  5. Step 5: Solve for x
    x = 3,940,586,895,333.68/3,213,623.64
  6. Step 6: Final answer
    x = 1,226,212.94

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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.