Home / 5,389,980.20-8,086,136.70-1,603,845.80

Finding the Fourth Proportional to 5,389,980.20, 8,086,136.70 and 1,603,845.80

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Solution

The fourth proportional to 5,389,980.20, 8,086,136.70 and 1,603,845.80 is: 2,406,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,980.20 : 8,086,136.70 = 1,603,845.80 : x
  2. Step 2: Convert to fraction form
    5,389,980.20/8,086,136.70 = 1,603,845.80/x
  3. Step 3: Cross multiply
    5,389,980.20x = 8,086,136.70 × 1,603,845.80
  4. Step 4: Simplify right side
    5,389,980.20x = 12,968,916,384,520.86
  5. Step 5: Solve for x
    x = 12,968,916,384,520.86/5,389,980.20
  6. Step 6: Final answer
    x = 2,406,115.77

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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.