Home / 2,378,902.88-3,282,889.58-1,291,174.85

Finding the Fourth Proportional to 2,378,902.88, 3,282,889.58 and 1,291,174.85

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Solution

The fourth proportional to 2,378,902.88, 3,282,889.58 and 1,291,174.85 is: 1,781,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,902.88 : 3,282,889.58 = 1,291,174.85 : x
  2. Step 2: Convert to fraction form
    2,378,902.88/3,282,889.58 = 1,291,174.85/x
  3. Step 3: Cross multiply
    2,378,902.88x = 3,282,889.58 × 1,291,174.85
  4. Step 4: Simplify right side
    2,378,902.88x = 4,238,784,462,774.41
  5. Step 5: Solve for x
    x = 4,238,784,462,774.41/2,378,902.88
  6. Step 6: Final answer
    x = 1,781,823.25

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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.