Home / 3,408,692.78-5,113,033.14-1,987,752.44

Finding the Fourth Proportional to 3,408,692.78, 5,113,033.14 and 1,987,752.44

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Solution

The fourth proportional to 3,408,692.78, 5,113,033.14 and 1,987,752.44 is: 2,981,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,692.78 : 5,113,033.14 = 1,987,752.44 : x
  2. Step 2: Convert to fraction form
    3,408,692.78/5,113,033.14 = 1,987,752.44/x
  3. Step 3: Cross multiply
    3,408,692.78x = 5,113,033.14 × 1,987,752.44
  4. Step 4: Simplify right side
    3,408,692.78x = 10,163,444,099,835.86
  5. Step 5: Solve for x
    x = 10,163,444,099,835.86/3,408,692.78
  6. Step 6: Final answer
    x = 2,981,625.14

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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.