Home / 5,430,468.80-8,143,629.60-1,642,692.80

Finding the Fourth Proportional to 5,430,468.80, 8,143,629.60 and 1,642,692.80

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Solution

The fourth proportional to 5,430,468.80, 8,143,629.60 and 1,642,692.80 is: 2,463,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,468.80 : 8,143,629.60 = 1,642,692.80 : x
  2. Step 2: Convert to fraction form
    5,430,468.80/8,143,629.60 = 1,642,692.80/x
  3. Step 3: Cross multiply
    5,430,468.80x = 8,143,629.60 × 1,642,692.80
  4. Step 4: Simplify right side
    5,430,468.80x = 13,377,481,709,786.88
  5. Step 5: Solve for x
    x = 13,377,481,709,786.88/5,430,468.80
  6. Step 6: Final answer
    x = 2,463,411.95

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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.