Home / 1,908,888.45-2,863,183.73-1,109,660.19

Finding the Fourth Proportional to 1,908,888.45, 2,863,183.73 and 1,109,660.19

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Solution

The fourth proportional to 1,908,888.45, 2,863,183.73 and 1,109,660.19 is: 1,664,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,888.45 : 2,863,183.73 = 1,109,660.19 : x
  2. Step 2: Convert to fraction form
    1,908,888.45/2,863,183.73 = 1,109,660.19/x
  3. Step 3: Cross multiply
    1,908,888.45x = 2,863,183.73 × 1,109,660.19
  4. Step 4: Simplify right side
    1,908,888.45x = 3,177,160,996,288.41
  5. Step 5: Solve for x
    x = 3,177,160,996,288.41/1,908,888.45
  6. Step 6: Final answer
    x = 1,664,403.70

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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.