Home / 2,280,493.20-3,147,414.48-1,313,435.28

Finding the Fourth Proportional to 2,280,493.20, 3,147,414.48 and 1,313,435.28

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Solution

The fourth proportional to 2,280,493.20, 3,147,414.48 and 1,313,435.28 is: 1,812,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,493.20 : 3,147,414.48 = 1,313,435.28 : x
  2. Step 2: Convert to fraction form
    2,280,493.20/3,147,414.48 = 1,313,435.28/x
  3. Step 3: Cross multiply
    2,280,493.20x = 3,147,414.48 × 1,313,435.28
  4. Step 4: Simplify right side
    2,280,493.20x = 4,133,925,218,814.85
  5. Step 5: Solve for x
    x = 4,133,925,218,814.85/2,280,493.20
  6. Step 6: Final answer
    x = 1,812,732.97

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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.