Home / 3,115,328.82-4,672,955.63-809,617.70

Finding the Fourth Proportional to 3,115,328.82, 4,672,955.63 and 809,617.70

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Solution

The fourth proportional to 3,115,328.82, 4,672,955.63 and 809,617.70 is: 1,214,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,328.82 : 4,672,955.63 = 809,617.70 : x
  2. Step 2: Convert to fraction form
    3,115,328.82/4,672,955.63 = 809,617.70/x
  3. Step 3: Cross multiply
    3,115,328.82x = 4,672,955.63 × 809,617.70
  4. Step 4: Simplify right side
    3,115,328.82x = 3,783,307,585,314.56
  5. Step 5: Solve for x
    x = 3,783,307,585,314.56/3,115,328.82
  6. Step 6: Final answer
    x = 1,214,416.78

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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.