Home / 4,145,157.78-6,215,203.96-1,986,843.33

Finding the Fourth Proportional to 4,145,157.78, 6,215,203.96 and 1,986,843.33

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Solution

The fourth proportional to 4,145,157.78, 6,215,203.96 and 1,986,843.33 is: 2,979,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145,157.78 : 6,215,203.96 = 1,986,843.33 : x
  2. Step 2: Convert to fraction form
    4,145,157.78/6,215,203.96 = 1,986,843.33/x
  3. Step 3: Cross multiply
    4,145,157.78x = 6,215,203.96 × 1,986,843.33
  4. Step 4: Simplify right side
    4,145,157.78x = 12,348,636,491,505.35
  5. Step 5: Solve for x
    x = 12,348,636,491,505.35/4,145,157.78
  6. Step 6: Final answer
    x = 2,979,051.01

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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.