Home / 1,892,571.25-2,611,398.91-1,076,727.30

Finding the Fourth Proportional to 1,892,571.25, 2,611,398.91 and 1,076,727.30

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Solution

The fourth proportional to 1,892,571.25, 2,611,398.91 and 1,076,727.30 is: 1,485,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,571.25 : 2,611,398.91 = 1,076,727.30 : x
  2. Step 2: Convert to fraction form
    1,892,571.25/2,611,398.91 = 1,076,727.30/x
  3. Step 3: Cross multiply
    1,892,571.25x = 2,611,398.91 × 1,076,727.30
  4. Step 4: Simplify right side
    1,892,571.25x = 2,811,764,497,587.24
  5. Step 5: Solve for x
    x = 2,811,764,497,587.24/1,892,571.25
  6. Step 6: Final answer
    x = 1,485,684.88

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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.