Home / 5,318,315.70-7,983,378.45-3,298,839.90

Finding the Fourth Proportional to 5,318,315.70, 7,983,378.45 and 3,298,839.90

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Solution

The fourth proportional to 5,318,315.70, 7,983,378.45 and 3,298,839.90 is: 4,951,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,315.70 : 7,983,378.45 = 3,298,839.90 : x
  2. Step 2: Convert to fraction form
    5,318,315.70/7,983,378.45 = 3,298,839.90/x
  3. Step 3: Cross multiply
    5,318,315.70x = 7,983,378.45 × 3,298,839.90
  4. Step 4: Simplify right side
    5,318,315.70x = 26,335,887,367,660.16
  5. Step 5: Solve for x
    x = 26,335,887,367,660.16/5,318,315.70
  6. Step 6: Final answer
    x = 4,951,922.54

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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.