Home / 3,131,837.63-4,321,862.42-1,842,761.51

Finding the Fourth Proportional to 3,131,837.63, 4,321,862.42 and 1,842,761.51

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Solution

The fourth proportional to 3,131,837.63, 4,321,862.42 and 1,842,761.51 is: 2,542,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,837.63 : 4,321,862.42 = 1,842,761.51 : x
  2. Step 2: Convert to fraction form
    3,131,837.63/4,321,862.42 = 1,842,761.51/x
  3. Step 3: Cross multiply
    3,131,837.63x = 4,321,862.42 × 1,842,761.51
  4. Step 4: Simplify right side
    3,131,837.63x = 7,964,161,688,268.33
  5. Step 5: Solve for x
    x = 7,964,161,688,268.33/3,131,837.63
  6. Step 6: Final answer
    x = 2,542,967.63

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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.