Home / 2,212,548.32-3,317,710.08-1,289,601.38

Finding the Fourth Proportional to 2,212,548.32, 3,317,710.08 and 1,289,601.38

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Solution

The fourth proportional to 2,212,548.32, 3,317,710.08 and 1,289,601.38 is: 1,933,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,548.32 : 3,317,710.08 = 1,289,601.38 : x
  2. Step 2: Convert to fraction form
    2,212,548.32/3,317,710.08 = 1,289,601.38/x
  3. Step 3: Cross multiply
    2,212,548.32x = 3,317,710.08 × 1,289,601.38
  4. Step 4: Simplify right side
    2,212,548.32x = 4,278,523,497,607.91
  5. Step 5: Solve for x
    x = 4,278,523,497,607.91/2,212,548.32
  6. Step 6: Final answer
    x = 1,933,753.70

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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.