Home / 2,625,965.70-3,930,200.55-1,904,255.70

Finding the Fourth Proportional to 2,625,965.70, 3,930,200.55 and 1,904,255.70

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Solution

The fourth proportional to 2,625,965.70, 3,930,200.55 and 1,904,255.70 is: 2,850,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,965.70 : 3,930,200.55 = 1,904,255.70 : x
  2. Step 2: Convert to fraction form
    2,625,965.70/3,930,200.55 = 1,904,255.70/x
  3. Step 3: Cross multiply
    2,625,965.70x = 3,930,200.55 × 1,904,255.70
  4. Step 4: Simplify right side
    2,625,965.70x = 7,484,106,799,480.64
  5. Step 5: Solve for x
    x = 7,484,106,799,480.64/2,625,965.70
  6. Step 6: Final answer
    x = 2,850,039.82

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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.