Home / 3,217,131.18-4,825,693.67-820,975.82

Finding the Fourth Proportional to 3,217,131.18, 4,825,693.67 and 820,975.82

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Solution

The fourth proportional to 3,217,131.18, 4,825,693.67 and 820,975.82 is: 1,231,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,131.18 : 4,825,693.67 = 820,975.82 : x
  2. Step 2: Convert to fraction form
    3,217,131.18/4,825,693.67 = 820,975.82/x
  3. Step 3: Cross multiply
    3,217,131.18x = 4,825,693.67 × 820,975.82
  4. Step 4: Simplify right side
    3,217,131.18x = 3,961,777,789,563.71
  5. Step 5: Solve for x
    x = 3,961,777,789,563.71/3,217,131.18
  6. Step 6: Final answer
    x = 1,231,462.93

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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.