Home / 2,086,245.44-3,129,817.74-646,899.90

Finding the Fourth Proportional to 2,086,245.44, 3,129,817.74 and 646,899.90

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Solution

The fourth proportional to 2,086,245.44, 3,129,817.74 and 646,899.90 is: 970,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,245.44 : 3,129,817.74 = 646,899.90 : x
  2. Step 2: Convert to fraction form
    2,086,245.44/3,129,817.74 = 646,899.90/x
  3. Step 3: Cross multiply
    2,086,245.44x = 3,129,817.74 × 646,899.90
  4. Step 4: Simplify right side
    2,086,245.44x = 2,024,678,773,713.28
  5. Step 5: Solve for x
    x = 2,024,678,773,713.28/2,086,245.44
  6. Step 6: Final answer
    x = 970,489.25

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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.