Home / 3,445,989.64-4,755,622.26-1,918,193.56

Finding the Fourth Proportional to 3,445,989.64, 4,755,622.26 and 1,918,193.56

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Solution

The fourth proportional to 3,445,989.64, 4,755,622.26 and 1,918,193.56 is: 2,647,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,989.64 : 4,755,622.26 = 1,918,193.56 : x
  2. Step 2: Convert to fraction form
    3,445,989.64/4,755,622.26 = 1,918,193.56/x
  3. Step 3: Cross multiply
    3,445,989.64x = 4,755,622.26 × 1,918,193.56
  4. Step 4: Simplify right side
    3,445,989.64x = 9,122,203,992,924.65
  5. Step 5: Solve for x
    x = 9,122,203,992,924.65/3,445,989.64
  6. Step 6: Final answer
    x = 2,647,194.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.