Home / 3,208,123.53-4,812,185.30-1,078,207.65

Finding the Fourth Proportional to 3,208,123.53, 4,812,185.30 and 1,078,207.65

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Solution

The fourth proportional to 3,208,123.53, 4,812,185.30 and 1,078,207.65 is: 1,617,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,123.53 : 4,812,185.30 = 1,078,207.65 : x
  2. Step 2: Convert to fraction form
    3,208,123.53/4,812,185.30 = 1,078,207.65/x
  3. Step 3: Cross multiply
    3,208,123.53x = 4,812,185.30 × 1,078,207.65
  4. Step 4: Simplify right side
    3,208,123.53x = 5,188,534,998,286.51
  5. Step 5: Solve for x
    x = 5,188,534,998,286.51/3,208,123.53
  6. Step 6: Final answer
    x = 1,617,311.48

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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.