Home / 2,588,709.53-3,882,219.17-859,114.78

Finding the Fourth Proportional to 2,588,709.53, 3,882,219.17 and 859,114.78

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Solution

The fourth proportional to 2,588,709.53, 3,882,219.17 and 859,114.78 is: 1,288,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,709.53 : 3,882,219.17 = 859,114.78 : x
  2. Step 2: Convert to fraction form
    2,588,709.53/3,882,219.17 = 859,114.78/x
  3. Step 3: Cross multiply
    2,588,709.53x = 3,882,219.17 × 859,114.78
  4. Step 4: Simplify right side
    2,588,709.53x = 3,335,271,854,145.21
  5. Step 5: Solve for x
    x = 3,335,271,854,145.21/2,588,709.53
  6. Step 6: Final answer
    x = 1,288,391.69

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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.