Home / 1,530,249.38-2,108,395.40-1,013,125.94

Finding the Fourth Proportional to 1,530,249.38, 2,108,395.40 and 1,013,125.94

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Solution

The fourth proportional to 1,530,249.38, 2,108,395.40 and 1,013,125.94 is: 1,395,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,249.38 : 2,108,395.40 = 1,013,125.94 : x
  2. Step 2: Convert to fraction form
    1,530,249.38/2,108,395.40 = 1,013,125.94/x
  3. Step 3: Cross multiply
    1,530,249.38x = 2,108,395.40 × 1,013,125.94
  4. Step 4: Simplify right side
    1,530,249.38x = 2,136,070,071,516.68
  5. Step 5: Solve for x
    x = 2,136,070,071,516.68/1,530,249.38
  6. Step 6: Final answer
    x = 1,395,896.71

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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.