Home / 2,940,324.28-4,409,689.92-809,901.70

Finding the Fourth Proportional to 2,940,324.28, 4,409,689.92 and 809,901.70

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Solution

The fourth proportional to 2,940,324.28, 4,409,689.92 and 809,901.70 is: 1,214,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,324.28 : 4,409,689.92 = 809,901.70 : x
  2. Step 2: Convert to fraction form
    2,940,324.28/4,409,689.92 = 809,901.70/x
  3. Step 3: Cross multiply
    2,940,324.28x = 4,409,689.92 × 809,901.70
  4. Step 4: Simplify right side
    2,940,324.28x = 3,571,415,362,680.86
  5. Step 5: Solve for x
    x = 3,571,415,362,680.86/2,940,324.28
  6. Step 6: Final answer
    x = 1,214,633.16

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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.