Home / 2,328,416.40-3,493,205.87-812,121.12

Finding the Fourth Proportional to 2,328,416.40, 3,493,205.87 and 812,121.12

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Solution

The fourth proportional to 2,328,416.40, 3,493,205.87 and 812,121.12 is: 1,218,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,416.40 : 3,493,205.87 = 812,121.12 : x
  2. Step 2: Convert to fraction form
    2,328,416.40/3,493,205.87 = 812,121.12/x
  3. Step 3: Cross multiply
    2,328,416.40x = 3,493,205.87 × 812,121.12
  4. Step 4: Simplify right side
    2,328,416.40x = 2,836,906,259,474.37
  5. Step 5: Solve for x
    x = 2,836,906,259,474.37/2,328,416.40
  6. Step 6: Final answer
    x = 1,218,384.42

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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.