Home / 2,879,662.52-4,320,204.39-857,898.56

Finding the Fourth Proportional to 2,879,662.52, 4,320,204.39 and 857,898.56

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Solution

The fourth proportional to 2,879,662.52, 4,320,204.39 and 857,898.56 is: 1,287,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,662.52 : 4,320,204.39 = 857,898.56 : x
  2. Step 2: Convert to fraction form
    2,879,662.52/4,320,204.39 = 857,898.56/x
  3. Step 3: Cross multiply
    2,879,662.52x = 4,320,204.39 × 857,898.56
  4. Step 4: Simplify right side
    2,879,662.52x = 3,706,297,135,887.19
  5. Step 5: Solve for x
    x = 3,706,297,135,887.19/2,879,662.52
  6. Step 6: Final answer
    x = 1,287,059.54

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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.