Home / 5,389,978.20-8,086,133.70-1,603,843.80

Finding the Fourth Proportional to 5,389,978.20, 8,086,133.70 and 1,603,843.80

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Solution

The fourth proportional to 5,389,978.20, 8,086,133.70 and 1,603,843.80 is: 2,406,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,978.20 : 8,086,133.70 = 1,603,843.80 : x
  2. Step 2: Convert to fraction form
    5,389,978.20/8,086,133.70 = 1,603,843.80/x
  3. Step 3: Cross multiply
    5,389,978.20x = 8,086,133.70 × 1,603,843.80
  4. Step 4: Simplify right side
    5,389,978.20x = 12,968,895,400,716.06
  5. Step 5: Solve for x
    x = 12,968,895,400,716.06/5,389,978.20
  6. Step 6: Final answer
    x = 2,406,112.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.