Home / 5,108,982.09-7,050,343.94-2,785,868.91

Finding the Fourth Proportional to 5,108,982.09, 7,050,343.94 and 2,785,868.91

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Solution

The fourth proportional to 5,108,982.09, 7,050,343.94 and 2,785,868.91 is: 3,844,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,982.09 : 7,050,343.94 = 2,785,868.91 : x
  2. Step 2: Convert to fraction form
    5,108,982.09/7,050,343.94 = 2,785,868.91/x
  3. Step 3: Cross multiply
    5,108,982.09x = 7,050,343.94 × 2,785,868.91
  4. Step 4: Simplify right side
    5,108,982.09x = 19,641,333,967,778.79
  5. Step 5: Solve for x
    x = 19,641,333,967,778.79/5,108,982.09
  6. Step 6: Final answer
    x = 3,844,471.09

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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.