Home / 1,986,238.44-2,741,938.02-1,271,261.16

Finding the Fourth Proportional to 1,986,238.44, 2,741,938.02 and 1,271,261.16

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Solution

The fourth proportional to 1,986,238.44, 2,741,938.02 and 1,271,261.16 is: 1,754,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,238.44 : 2,741,938.02 = 1,271,261.16 : x
  2. Step 2: Convert to fraction form
    1,986,238.44/2,741,938.02 = 1,271,261.16/x
  3. Step 3: Cross multiply
    1,986,238.44x = 2,741,938.02 × 1,271,261.16
  4. Step 4: Simplify right side
    1,986,238.44x = 3,485,719,307,953.30
  5. Step 5: Solve for x
    x = 3,485,719,307,953.30/1,986,238.44
  6. Step 6: Final answer
    x = 1,754,934.98

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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.