Home / 2,121,990.32-3,183,091.20-605,898.16

Finding the Fourth Proportional to 2,121,990.32, 3,183,091.20 and 605,898.16

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Solution

The fourth proportional to 2,121,990.32, 3,183,091.20 and 605,898.16 is: 908,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,990.32 : 3,183,091.20 = 605,898.16 : x
  2. Step 2: Convert to fraction form
    2,121,990.32/3,183,091.20 = 605,898.16/x
  3. Step 3: Cross multiply
    2,121,990.32x = 3,183,091.20 × 605,898.16
  4. Step 4: Simplify right side
    2,121,990.32x = 1,928,629,101,192.19
  5. Step 5: Solve for x
    x = 1,928,629,101,192.19/2,121,990.32
  6. Step 6: Final answer
    x = 908,877.43

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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.