Home / 2,183,911.06-3,013,800.13-1,217,020.12

Finding the Fourth Proportional to 2,183,911.06, 3,013,800.13 and 1,217,020.12

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Solution

The fourth proportional to 2,183,911.06, 3,013,800.13 and 1,217,020.12 is: 1,679,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,911.06 : 3,013,800.13 = 1,217,020.12 : x
  2. Step 2: Convert to fraction form
    2,183,911.06/3,013,800.13 = 1,217,020.12/x
  3. Step 3: Cross multiply
    2,183,911.06x = 3,013,800.13 × 1,217,020.12
  4. Step 4: Simplify right side
    2,183,911.06x = 3,667,855,395,868.62
  5. Step 5: Solve for x
    x = 3,667,855,395,868.62/2,183,911.06
  6. Step 6: Final answer
    x = 1,679,489.36

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1.5x scale

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.