Home / 2,222,206.47-3,066,893.79-1,255,399.03

Finding the Fourth Proportional to 2,222,206.47, 3,066,893.79 and 1,255,399.03

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Solution

The fourth proportional to 2,222,206.47, 3,066,893.79 and 1,255,399.03 is: 1,732,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222,206.47 : 3,066,893.79 = 1,255,399.03 : x
  2. Step 2: Convert to fraction form
    2,222,206.47/3,066,893.79 = 1,255,399.03/x
  3. Step 3: Cross multiply
    2,222,206.47x = 3,066,893.79 × 1,255,399.03
  4. Step 4: Simplify right side
    2,222,206.47x = 3,850,175,489,079.02
  5. Step 5: Solve for x
    x = 3,850,175,489,079.02/2,222,206.47
  6. Step 6: Final answer
    x = 1,732,591.25

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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.