Home / 1,932,915.88-2,667,268.35-1,117,172.39

Finding the Fourth Proportional to 1,932,915.88, 2,667,268.35 and 1,117,172.39

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Solution

The fourth proportional to 1,932,915.88, 2,667,268.35 and 1,117,172.39 is: 1,541,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,915.88 : 2,667,268.35 = 1,117,172.39 : x
  2. Step 2: Convert to fraction form
    1,932,915.88/2,667,268.35 = 1,117,172.39/x
  3. Step 3: Cross multiply
    1,932,915.88x = 2,667,268.35 × 1,117,172.39
  4. Step 4: Simplify right side
    1,932,915.88x = 2,979,798,557,340.86
  5. Step 5: Solve for x
    x = 2,979,798,557,340.86/1,932,915.88
  6. Step 6: Final answer
    x = 1,541,607.99

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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.