Home / 2,589,367.80-3,884,051.70-991,108.20

Finding the Fourth Proportional to 2,589,367.80, 3,884,051.70 and 991,108.20

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Solution

The fourth proportional to 2,589,367.80, 3,884,051.70 and 991,108.20 is: 1,486,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,367.80 : 3,884,051.70 = 991,108.20 : x
  2. Step 2: Convert to fraction form
    2,589,367.80/3,884,051.70 = 991,108.20/x
  3. Step 3: Cross multiply
    2,589,367.80x = 3,884,051.70 × 991,108.20
  4. Step 4: Simplify right side
    2,589,367.80x = 3,849,515,489,093.94
  5. Step 5: Solve for x
    x = 3,849,515,489,093.94/2,589,367.80
  6. Step 6: Final answer
    x = 1,486,662.30

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Similar ratio
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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.