Home / 3,431,874.30-5,147,811.45-2,175,272.70

Finding the Fourth Proportional to 3,431,874.30, 5,147,811.45 and 2,175,272.70

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Solution

The fourth proportional to 3,431,874.30, 5,147,811.45 and 2,175,272.70 is: 3,262,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,874.30 : 5,147,811.45 = 2,175,272.70 : x
  2. Step 2: Convert to fraction form
    3,431,874.30/5,147,811.45 = 2,175,272.70/x
  3. Step 3: Cross multiply
    3,431,874.30x = 5,147,811.45 × 2,175,272.70
  4. Step 4: Simplify right side
    3,431,874.30x = 11,197,893,711,932.42
  5. Step 5: Solve for x
    x = 11,197,893,711,932.42/3,431,874.30
  6. Step 6: Final answer
    x = 3,262,909.05

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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.