Home / 3,208,610.34-4,812,923.88-812,455.38

Finding the Fourth Proportional to 3,208,610.34, 4,812,923.88 and 812,455.38

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Solution

The fourth proportional to 3,208,610.34, 4,812,923.88 and 812,455.38 is: 1,218,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,610.34 : 4,812,923.88 = 812,455.38 : x
  2. Step 2: Convert to fraction form
    3,208,610.34/4,812,923.88 = 812,455.38/x
  3. Step 3: Cross multiply
    3,208,610.34x = 4,812,923.88 × 812,455.38
  4. Step 4: Simplify right side
    3,208,610.34x = 3,910,285,899,836.47
  5. Step 5: Solve for x
    x = 3,910,285,899,836.47/3,208,610.34
  6. Step 6: Final answer
    x = 1,218,685.19

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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.