Home / 2,118,291.94-3,177,102.97-919,892.49

Finding the Fourth Proportional to 2,118,291.94, 3,177,102.97 and 919,892.49

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Solution

The fourth proportional to 2,118,291.94, 3,177,102.97 and 919,892.49 is: 1,379,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,291.94 : 3,177,102.97 = 919,892.49 : x
  2. Step 2: Convert to fraction form
    2,118,291.94/3,177,102.97 = 919,892.49/x
  3. Step 3: Cross multiply
    2,118,291.94x = 3,177,102.97 × 919,892.49
  4. Step 4: Simplify right side
    2,118,291.94x = 2,922,593,162,059.70
  5. Step 5: Solve for x
    x = 2,922,593,162,059.70/2,118,291.94
  6. Step 6: Final answer
    x = 1,379,693.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.