Home / 2,940,317.78-4,409,680.17-809,895.20

Finding the Fourth Proportional to 2,940,317.78, 4,409,680.17 and 809,895.20

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Solution

The fourth proportional to 2,940,317.78, 4,409,680.17 and 809,895.20 is: 1,214,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,317.78 : 4,409,680.17 = 809,895.20 : x
  2. Step 2: Convert to fraction form
    2,940,317.78/4,409,680.17 = 809,895.20/x
  3. Step 3: Cross multiply
    2,940,317.78x = 4,409,680.17 × 809,895.20
  4. Step 4: Simplify right side
    2,940,317.78x = 3,571,378,803,218.18
  5. Step 5: Solve for x
    x = 3,571,378,803,218.18/2,940,317.78
  6. Step 6: Final answer
    x = 1,214,623.41

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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.