Home / 3,939,494.40-5,904,648.90-1,809,793.80

Finding the Fourth Proportional to 3,939,494.40, 5,904,648.90 and 1,809,793.80

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Solution

The fourth proportional to 3,939,494.40, 5,904,648.90 and 1,809,793.80 is: 2,712,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,494.40 : 5,904,648.90 = 1,809,793.80 : x
  2. Step 2: Convert to fraction form
    3,939,494.40/5,904,648.90 = 1,809,793.80/x
  3. Step 3: Cross multiply
    3,939,494.40x = 5,904,648.90 × 1,809,793.80
  4. Step 4: Simplify right side
    3,939,494.40x = 10,686,196,970,396.82
  5. Step 5: Solve for x
    x = 10,686,196,970,396.82/3,939,494.40
  6. Step 6: Final answer
    x = 2,712,580.83

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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.