Home / 1,910,507.21-2,865,789.97-490,531.85

Finding the Fourth Proportional to 1,910,507.21, 2,865,789.97 and 490,531.85

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Solution

The fourth proportional to 1,910,507.21, 2,865,789.97 and 490,531.85 is: 735,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,507.21 : 2,865,789.97 = 490,531.85 : x
  2. Step 2: Convert to fraction form
    1,910,507.21/2,865,789.97 = 490,531.85/x
  3. Step 3: Cross multiply
    1,910,507.21x = 2,865,789.97 × 490,531.85
  4. Step 4: Simplify right side
    1,910,507.21x = 1,405,761,253,646.22
  5. Step 5: Solve for x
    x = 1,405,761,253,646.22/1,910,507.21
  6. Step 6: Final answer
    x = 735,805.26

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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.