Home / 3,479,383.37-5,218,905.30-1,291,378.75

Finding the Fourth Proportional to 3,479,383.37, 5,218,905.30 and 1,291,378.75

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Solution

The fourth proportional to 3,479,383.37, 5,218,905.30 and 1,291,378.75 is: 1,937,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,383.37 : 5,218,905.30 = 1,291,378.75 : x
  2. Step 2: Convert to fraction form
    3,479,383.37/5,218,905.30 = 1,291,378.75/x
  3. Step 3: Cross multiply
    3,479,383.37x = 5,218,905.30 × 1,291,378.75
  4. Step 4: Simplify right side
    3,479,383.37x = 6,739,583,384,792.44
  5. Step 5: Solve for x
    x = 6,739,583,384,792.44/3,479,383.37
  6. Step 6: Final answer
    x = 1,937,005.11

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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.