Home / 1,999,645.38-3,000,167.85-579,786.66

Finding the Fourth Proportional to 1,999,645.38, 3,000,167.85 and 579,786.66

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Solution

The fourth proportional to 1,999,645.38, 3,000,167.85 and 579,786.66 is: 869,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,645.38 : 3,000,167.85 = 579,786.66 : x
  2. Step 2: Convert to fraction form
    1,999,645.38/3,000,167.85 = 579,786.66/x
  3. Step 3: Cross multiply
    1,999,645.38x = 3,000,167.85 × 579,786.66
  4. Step 4: Simplify right side
    1,999,645.38x = 1,739,457,297,190.88
  5. Step 5: Solve for x
    x = 1,739,457,297,190.88/1,999,645.38
  6. Step 6: Final answer
    x = 869,882.89

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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.