Home / 3,172,584.38-4,378,171.91-1,814,457.38

Finding the Fourth Proportional to 3,172,584.38, 4,378,171.91 and 1,814,457.38

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Solution

The fourth proportional to 3,172,584.38, 4,378,171.91 and 1,814,457.38 is: 2,503,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,584.38 : 4,378,171.91 = 1,814,457.38 : x
  2. Step 2: Convert to fraction form
    3,172,584.38/4,378,171.91 = 1,814,457.38/x
  3. Step 3: Cross multiply
    3,172,584.38x = 4,378,171.91 × 1,814,457.38
  4. Step 4: Simplify right side
    3,172,584.38x = 7,944,006,302,045.05
  5. Step 5: Solve for x
    x = 7,944,006,302,045.05/3,172,584.38
  6. Step 6: Final answer
    x = 2,503,954.30

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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.