Home / 3,946,653.76-5,446,380-2,227,789.12

Finding the Fourth Proportional to 3,946,653.76, 5,446,380 and 2,227,789.12

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Solution

The fourth proportional to 3,946,653.76, 5,446,380 and 2,227,789.12 is: 3,074,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,653.76 : 5,446,380 = 2,227,789.12 : x
  2. Step 2: Convert to fraction form
    3,946,653.76/5,446,380 = 2,227,789.12/x
  3. Step 3: Cross multiply
    3,946,653.76x = 5,446,380 × 2,227,789.12
  4. Step 4: Simplify right side
    3,946,653.76x = 12,133,386,107,385.60
  5. Step 5: Solve for x
    x = 12,133,386,107,385.60/3,946,653.76
  6. Step 6: Final answer
    x = 3,074,347.75

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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.