Home / 2,221,898.90-3,066,469.85-1,255,091.47

Finding the Fourth Proportional to 2,221,898.90, 3,066,469.85 and 1,255,091.47

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Solution

The fourth proportional to 2,221,898.90, 3,066,469.85 and 1,255,091.47 is: 1,732,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,898.90 : 3,066,469.85 = 1,255,091.47 : x
  2. Step 2: Convert to fraction form
    2,221,898.90/3,066,469.85 = 1,255,091.47/x
  3. Step 3: Cross multiply
    2,221,898.90x = 3,066,469.85 × 1,255,091.47
  4. Step 4: Simplify right side
    2,221,898.90x = 3,848,700,147,218.73
  5. Step 5: Solve for x
    x = 3,848,700,147,218.73/2,221,898.90
  6. Step 6: Final answer
    x = 1,732,167.09

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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.