Home / 2,603,556.18-3,904,580.30-781,847.69

Finding the Fourth Proportional to 2,603,556.18, 3,904,580.30 and 781,847.69

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Solution

The fourth proportional to 2,603,556.18, 3,904,580.30 and 781,847.69 is: 1,172,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,556.18 : 3,904,580.30 = 781,847.69 : x
  2. Step 2: Convert to fraction form
    2,603,556.18/3,904,580.30 = 781,847.69/x
  3. Step 3: Cross multiply
    2,603,556.18x = 3,904,580.30 × 781,847.69
  4. Step 4: Simplify right side
    2,603,556.18x = 3,052,787,064,542.37
  5. Step 5: Solve for x
    x = 3,052,787,064,542.37/2,603,556.18
  6. Step 6: Final answer
    x = 1,172,545.11

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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.