Home / 2,398,766.40-3,310,289.88-1,311,037.92

Finding the Fourth Proportional to 2,398,766.40, 3,310,289.88 and 1,311,037.92

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Solution

The fourth proportional to 2,398,766.40, 3,310,289.88 and 1,311,037.92 is: 1,809,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,766.40 : 3,310,289.88 = 1,311,037.92 : x
  2. Step 2: Convert to fraction form
    2,398,766.40/3,310,289.88 = 1,311,037.92/x
  3. Step 3: Cross multiply
    2,398,766.40x = 3,310,289.88 × 1,311,037.92
  4. Step 4: Simplify right side
    2,398,766.40x = 4,339,915,558,872.25
  5. Step 5: Solve for x
    x = 4,339,915,558,872.25/2,398,766.40
  6. Step 6: Final answer
    x = 1,809,228.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.