Home / 5,465,309.88-8,188,991.82-1,869,114.80

Finding the Fourth Proportional to 5,465,309.88, 8,188,991.82 and 1,869,114.80

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Solution

The fourth proportional to 5,465,309.88, 8,188,991.82 and 1,869,114.80 is: 2,800,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,309.88 : 8,188,991.82 = 1,869,114.80 : x
  2. Step 2: Convert to fraction form
    5,465,309.88/8,188,991.82 = 1,869,114.80/x
  3. Step 3: Cross multiply
    5,465,309.88x = 8,188,991.82 × 1,869,114.80
  4. Step 4: Simplify right side
    5,465,309.88x = 15,306,165,807,840.94
  5. Step 5: Solve for x
    x = 15,306,165,807,840.94/5,465,309.88
  6. Step 6: Final answer
    x = 2,800,603.47

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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.