Home / 3,977,591.40-5,962,392-1,279,933.92

Finding the Fourth Proportional to 3,977,591.40, 5,962,392 and 1,279,933.92

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Solution

The fourth proportional to 3,977,591.40, 5,962,392 and 1,279,933.92 is: 1,918,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,591.40 : 5,962,392 = 1,279,933.92 : x
  2. Step 2: Convert to fraction form
    3,977,591.40/5,962,392 = 1,279,933.92/x
  3. Step 3: Cross multiply
    3,977,591.40x = 5,962,392 × 1,279,933.92
  4. Step 4: Simplify right side
    3,977,591.40x = 7,631,467,765,136.64
  5. Step 5: Solve for x
    x = 7,631,467,765,136.64/3,977,591.40
  6. Step 6: Final answer
    x = 1,918,615.31

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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.