Home / 2,879,285.33-4,315,606.50-1,081,021.88

Finding the Fourth Proportional to 2,879,285.33, 4,315,606.50 and 1,081,021.88

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Solution

The fourth proportional to 2,879,285.33, 4,315,606.50 and 1,081,021.88 is: 1,620,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,285.33 : 4,315,606.50 = 1,081,021.88 : x
  2. Step 2: Convert to fraction form
    2,879,285.33/4,315,606.50 = 1,081,021.88/x
  3. Step 3: Cross multiply
    2,879,285.33x = 4,315,606.50 × 1,081,021.88
  4. Step 4: Simplify right side
    2,879,285.33x = 4,665,265,066,813.07
  5. Step 5: Solve for x
    x = 4,665,265,066,813.07/2,879,285.33
  6. Step 6: Final answer
    x = 1,620,285.78

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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.