Home / 3,969,845.40-5,954,768.10-3,783,221.40

Finding the Fourth Proportional to 3,969,845.40, 5,954,768.10 and 3,783,221.40

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Solution

The fourth proportional to 3,969,845.40, 5,954,768.10 and 3,783,221.40 is: 5,674,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,845.40 : 5,954,768.10 = 3,783,221.40 : x
  2. Step 2: Convert to fraction form
    3,969,845.40/5,954,768.10 = 3,783,221.40/x
  3. Step 3: Cross multiply
    3,969,845.40x = 5,954,768.10 × 3,783,221.40
  4. Step 4: Simplify right side
    3,969,845.40x = 22,528,206,107,957.34
  5. Step 5: Solve for x
    x = 22,528,206,107,957.34/3,969,845.40
  6. Step 6: Final answer
    x = 5,674,832.10

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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.