Home / 3,418,906.76-4,718,326.66-1,968,984.08

Finding the Fourth Proportional to 3,418,906.76, 4,718,326.66 and 1,968,984.08

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Solution

The fourth proportional to 3,418,906.76, 4,718,326.66 and 1,968,984.08 is: 2,717,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,906.76 : 4,718,326.66 = 1,968,984.08 : x
  2. Step 2: Convert to fraction form
    3,418,906.76/4,718,326.66 = 1,968,984.08/x
  3. Step 3: Cross multiply
    3,418,906.76x = 4,718,326.66 × 1,968,984.08
  4. Step 4: Simplify right side
    3,418,906.76x = 9,290,310,077,779.57
  5. Step 5: Solve for x
    x = 9,290,310,077,779.57/3,418,906.76
  6. Step 6: Final answer
    x = 2,717,333.56

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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.