Home / 2,981,994.30-4,472,991.45-738,132.30

Finding the Fourth Proportional to 2,981,994.30, 4,472,991.45 and 738,132.30

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Solution

The fourth proportional to 2,981,994.30, 4,472,991.45 and 738,132.30 is: 1,107,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,994.30 : 4,472,991.45 = 738,132.30 : x
  2. Step 2: Convert to fraction form
    2,981,994.30/4,472,991.45 = 738,132.30/x
  3. Step 3: Cross multiply
    2,981,994.30x = 4,472,991.45 × 738,132.30
  4. Step 4: Simplify right side
    2,981,994.30x = 3,301,659,466,868.84
  5. Step 5: Solve for x
    x = 3,301,659,466,868.84/2,981,994.30
  6. Step 6: Final answer
    x = 1,107,198.45

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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.