Home / 4,965,046.79-7,447,559.16-1,321,777.55

Finding the Fourth Proportional to 4,965,046.79, 7,447,559.16 and 1,321,777.55

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Solution

The fourth proportional to 4,965,046.79, 7,447,559.16 and 1,321,777.55 is: 1,982,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965,046.79 : 7,447,559.16 = 1,321,777.55 : x
  2. Step 2: Convert to fraction form
    4,965,046.79/7,447,559.16 = 1,321,777.55/x
  3. Step 3: Cross multiply
    4,965,046.79x = 7,447,559.16 × 1,321,777.55
  4. Step 4: Simplify right side
    4,965,046.79x = 9,844,016,499,984.86
  5. Step 5: Solve for x
    x = 9,844,016,499,984.86/4,965,046.79
  6. Step 6: Final answer
    x = 1,982,663.39

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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.