Home / 3,209,999.80-4,814,999.70-1,079,375.80

Finding the Fourth Proportional to 3,209,999.80, 4,814,999.70 and 1,079,375.80

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Solution

The fourth proportional to 3,209,999.80, 4,814,999.70 and 1,079,375.80 is: 1,619,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,999.80 : 4,814,999.70 = 1,079,375.80 : x
  2. Step 2: Convert to fraction form
    3,209,999.80/4,814,999.70 = 1,079,375.80/x
  3. Step 3: Cross multiply
    3,209,999.80x = 4,814,999.70 × 1,079,375.80
  4. Step 4: Simplify right side
    3,209,999.80x = 5,197,194,153,187.26
  5. Step 5: Solve for x
    x = 5,197,194,153,187.26/3,209,999.80
  6. Step 6: Final answer
    x = 1,619,063.70

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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.