Home / 1,986,904.02-2,741,851.44-1,127,413.02

Finding the Fourth Proportional to 1,986,904.02, 2,741,851.44 and 1,127,413.02

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Solution

The fourth proportional to 1,986,904.02, 2,741,851.44 and 1,127,413.02 is: 1,555,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,904.02 : 2,741,851.44 = 1,127,413.02 : x
  2. Step 2: Convert to fraction form
    1,986,904.02/2,741,851.44 = 1,127,413.02/x
  3. Step 3: Cross multiply
    1,986,904.02x = 2,741,851.44 × 1,127,413.02
  4. Step 4: Simplify right side
    1,986,904.02x = 3,091,199,012,361.75
  5. Step 5: Solve for x
    x = 3,091,199,012,361.75/1,986,904.02
  6. Step 6: Final answer
    x = 1,555,786.78

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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.