Home / 3,279,919.18-4,921,299.75-1,761,830.98

Finding the Fourth Proportional to 3,279,919.18, 4,921,299.75 and 1,761,830.98

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Solution

The fourth proportional to 3,279,919.18, 4,921,299.75 and 1,761,830.98 is: 2,643,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,919.18 : 4,921,299.75 = 1,761,830.98 : x
  2. Step 2: Convert to fraction form
    3,279,919.18/4,921,299.75 = 1,761,830.98/x
  3. Step 3: Cross multiply
    3,279,919.18x = 4,921,299.75 × 1,761,830.98
  4. Step 4: Simplify right side
    3,279,919.18x = 8,670,498,361,416.26
  5. Step 5: Solve for x
    x = 8,670,498,361,416.26/3,279,919.18
  6. Step 6: Final answer
    x = 2,643,509.76

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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.