Home / 3,840,689-5,300,150.82-2,231,160.68

Finding the Fourth Proportional to 3,840,689, 5,300,150.82 and 2,231,160.68

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Solution

The fourth proportional to 3,840,689, 5,300,150.82 and 2,231,160.68 is: 3,079,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,689 : 5,300,150.82 = 2,231,160.68 : x
  2. Step 2: Convert to fraction form
    3,840,689/5,300,150.82 = 2,231,160.68/x
  3. Step 3: Cross multiply
    3,840,689x = 5,300,150.82 × 2,231,160.68
  4. Step 4: Simplify right side
    3,840,689x = 11,825,488,107,653.76
  5. Step 5: Solve for x
    x = 11,825,488,107,653.76/3,840,689
  6. Step 6: Final answer
    x = 3,079,001.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.