Home / 3,131,398.74-4,321,256.94-1,842,322.02

Finding the Fourth Proportional to 3,131,398.74, 4,321,256.94 and 1,842,322.02

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Solution

The fourth proportional to 3,131,398.74, 4,321,256.94 and 1,842,322.02 is: 2,542,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,398.74 : 4,321,256.94 = 1,842,322.02 : x
  2. Step 2: Convert to fraction form
    3,131,398.74/4,321,256.94 = 1,842,322.02/x
  3. Step 3: Cross multiply
    3,131,398.74x = 4,321,256.94 × 1,842,322.02
  4. Step 4: Simplify right side
    3,131,398.74x = 7,961,146,814,639.82
  5. Step 5: Solve for x
    x = 7,961,146,814,639.82/3,131,398.74
  6. Step 6: Final answer
    x = 2,542,361.25

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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.