Home / 3,812,146.21-5,718,221.34-2,393,198.74

Finding the Fourth Proportional to 3,812,146.21, 5,718,221.34 and 2,393,198.74

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Solution

The fourth proportional to 3,812,146.21, 5,718,221.34 and 2,393,198.74 is: 3,589,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,146.21 : 5,718,221.34 = 2,393,198.74 : x
  2. Step 2: Convert to fraction form
    3,812,146.21/5,718,221.34 = 2,393,198.74/x
  3. Step 3: Cross multiply
    3,812,146.21x = 5,718,221.34 × 2,393,198.74
  4. Step 4: Simplify right side
    3,812,146.21x = 13,684,840,105,929.11
  5. Step 5: Solve for x
    x = 13,684,840,105,929.11/3,812,146.21
  6. Step 6: Final answer
    x = 3,589,799.38

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1.5x scale

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.