Home / 5,674,391.72-8,511,661.85-1,887,874.59

Finding the Fourth Proportional to 5,674,391.72, 8,511,661.85 and 1,887,874.59

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Solution

The fourth proportional to 5,674,391.72, 8,511,661.85 and 1,887,874.59 is: 2,831,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674,391.72 : 8,511,661.85 = 1,887,874.59 : x
  2. Step 2: Convert to fraction form
    5,674,391.72/8,511,661.85 = 1,887,874.59/x
  3. Step 3: Cross multiply
    5,674,391.72x = 8,511,661.85 × 1,887,874.59
  4. Step 4: Simplify right side
    5,674,391.72x = 16,068,950,147,766.75
  5. Step 5: Solve for x
    x = 16,068,950,147,766.75/5,674,391.72
  6. Step 6: Final answer
    x = 2,831,836.60

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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.