Home / 3,617,971.61-4,992,577.02-1,986,369.77

Finding the Fourth Proportional to 3,617,971.61, 4,992,577.02 and 1,986,369.77

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Solution

The fourth proportional to 3,617,971.61, 4,992,577.02 and 1,986,369.77 is: 2,741,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,971.61 : 4,992,577.02 = 1,986,369.77 : x
  2. Step 2: Convert to fraction form
    3,617,971.61/4,992,577.02 = 1,986,369.77/x
  3. Step 3: Cross multiply
    3,617,971.61x = 4,992,577.02 × 1,986,369.77
  4. Step 4: Simplify right side
    3,617,971.61x = 9,917,104,079,406.13
  5. Step 5: Solve for x
    x = 9,917,104,079,406.13/3,617,971.61
  6. Step 6: Final answer
    x = 2,741,067.42

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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.