Home / 3,279,911.66-4,921,288.44-1,761,823.40

Finding the Fourth Proportional to 3,279,911.66, 4,921,288.44 and 1,761,823.40

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Solution

The fourth proportional to 3,279,911.66, 4,921,288.44 and 1,761,823.40 is: 2,643,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,911.66 : 4,921,288.44 = 1,761,823.40 : x
  2. Step 2: Convert to fraction form
    3,279,911.66/4,921,288.44 = 1,761,823.40/x
  3. Step 3: Cross multiply
    3,279,911.66x = 4,921,288.44 × 1,761,823.40
  4. Step 4: Simplify right side
    3,279,911.66x = 8,670,441,131,741.50
  5. Step 5: Solve for x
    x = 8,670,441,131,741.50/3,279,911.66
  6. Step 6: Final answer
    x = 2,643,498.37

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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.