Home / 3,447,608.86-5,169,617.90-1,286,857.30

Finding the Fourth Proportional to 3,447,608.86, 5,169,617.90 and 1,286,857.30

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Solution

The fourth proportional to 3,447,608.86, 5,169,617.90 and 1,286,857.30 is: 1,929,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,608.86 : 5,169,617.90 = 1,286,857.30 : x
  2. Step 2: Convert to fraction form
    3,447,608.86/5,169,617.90 = 1,286,857.30/x
  3. Step 3: Cross multiply
    3,447,608.86x = 5,169,617.90 × 1,286,857.30
  4. Step 4: Simplify right side
    3,447,608.86x = 6,652,560,529,213.32
  5. Step 5: Solve for x
    x = 6,652,560,529,213.32/3,447,608.86
  6. Step 6: Final answer
    x = 1,929,615.80

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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.