Home / 2,183,900.54-3,013,785.63-1,217,009.61

Finding the Fourth Proportional to 2,183,900.54, 3,013,785.63 and 1,217,009.61

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Solution

The fourth proportional to 2,183,900.54, 3,013,785.63 and 1,217,009.61 is: 1,679,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,900.54 : 3,013,785.63 = 1,217,009.61 : x
  2. Step 2: Convert to fraction form
    2,183,900.54/3,013,785.63 = 1,217,009.61/x
  3. Step 3: Cross multiply
    2,183,900.54x = 3,013,785.63 × 1,217,009.61
  4. Step 4: Simplify right side
    2,183,900.54x = 3,667,806,074,189.90
  5. Step 5: Solve for x
    x = 3,667,806,074,189.90/2,183,900.54
  6. Step 6: Final answer
    x = 1,679,474.87

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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.