Home / 2,607,308.70-3,910,963.05-1,761,279.90

Finding the Fourth Proportional to 2,607,308.70, 3,910,963.05 and 1,761,279.90

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Solution

The fourth proportional to 2,607,308.70, 3,910,963.05 and 1,761,279.90 is: 2,641,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,308.70 : 3,910,963.05 = 1,761,279.90 : x
  2. Step 2: Convert to fraction form
    2,607,308.70/3,910,963.05 = 1,761,279.90/x
  3. Step 3: Cross multiply
    2,607,308.70x = 3,910,963.05 × 1,761,279.90
  4. Step 4: Simplify right side
    2,607,308.70x = 6,888,300,609,607.69
  5. Step 5: Solve for x
    x = 6,888,300,609,607.69/2,607,308.70
  6. Step 6: Final answer
    x = 2,641,919.85

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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.