Home / 3,445,917.12-4,755,365.82-1,917,991.44

Finding the Fourth Proportional to 3,445,917.12, 4,755,365.82 and 1,917,991.44

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Solution

The fourth proportional to 3,445,917.12, 4,755,365.82 and 1,917,991.44 is: 2,646,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,917.12 : 4,755,365.82 = 1,917,991.44 : x
  2. Step 2: Convert to fraction form
    3,445,917.12/4,755,365.82 = 1,917,991.44/x
  3. Step 3: Cross multiply
    3,445,917.12x = 4,755,365.82 × 1,917,991.44
  4. Step 4: Simplify right side
    3,445,917.12x = 9,120,750,936,828.58
  5. Step 5: Solve for x
    x = 9,120,750,936,828.58/3,445,917.12
  6. Step 6: Final answer
    x = 2,646,828.30

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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.