Home / 2,157,044.04-2,976,783.07-1,190,236.61

Finding the Fourth Proportional to 2,157,044.04, 2,976,783.07 and 1,190,236.61

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Solution

The fourth proportional to 2,157,044.04, 2,976,783.07 and 1,190,236.61 is: 1,642,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,044.04 : 2,976,783.07 = 1,190,236.61 : x
  2. Step 2: Convert to fraction form
    2,157,044.04/2,976,783.07 = 1,190,236.61/x
  3. Step 3: Cross multiply
    2,157,044.04x = 2,976,783.07 × 1,190,236.61
  4. Step 4: Simplify right side
    2,157,044.04x = 3,543,076,194,408.56
  5. Step 5: Solve for x
    x = 3,543,076,194,408.56/2,157,044.04
  6. Step 6: Final answer
    x = 1,642,560.90

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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.