Home / 5,605,131.88-7,726,986.66-3,992,700.52

Finding the Fourth Proportional to 5,605,131.88, 7,726,986.66 and 3,992,700.52

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Solution

The fourth proportional to 5,605,131.88, 7,726,986.66 and 3,992,700.52 is: 5,504,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605,131.88 : 7,726,986.66 = 3,992,700.52 : x
  2. Step 2: Convert to fraction form
    5,605,131.88/7,726,986.66 = 3,992,700.52/x
  3. Step 3: Cross multiply
    5,605,131.88x = 7,726,986.66 × 3,992,700.52
  4. Step 4: Simplify right side
    5,605,131.88x = 30,851,543,655,415.06
  5. Step 5: Solve for x
    x = 30,851,543,655,415.06/5,605,131.88
  6. Step 6: Final answer
    x = 5,504,160.17

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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.