Home / 6,764,642-10,147,147.68-1,972,215.44

Finding the Fourth Proportional to 6,764,642, 10,147,147.68 and 1,972,215.44

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Solution

The fourth proportional to 6,764,642, 10,147,147.68 and 1,972,215.44 is: 2,958,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764,642 : 10,147,147.68 = 1,972,215.44 : x
  2. Step 2: Convert to fraction form
    6,764,642/10,147,147.68 = 1,972,215.44/x
  3. Step 3: Cross multiply
    6,764,642x = 10,147,147.68 × 1,972,215.44
  4. Step 4: Simplify right side
    6,764,642x = 20,012,361,326,456.18
  5. Step 5: Solve for x
    x = 20,012,361,326,456.18/6,764,642
  6. Step 6: Final answer
    x = 2,958,377.00

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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.