Home / 5,676,943.10-8,515,414.65-3,661,403.90

Finding the Fourth Proportional to 5,676,943.10, 8,515,414.65 and 3,661,403.90

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Solution

The fourth proportional to 5,676,943.10, 8,515,414.65 and 3,661,403.90 is: 5,492,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,943.10 : 8,515,414.65 = 3,661,403.90 : x
  2. Step 2: Convert to fraction form
    5,676,943.10/8,515,414.65 = 3,661,403.90/x
  3. Step 3: Cross multiply
    5,676,943.10x = 8,515,414.65 × 3,661,403.90
  4. Step 4: Simplify right side
    5,676,943.10x = 31,178,372,409,627.14
  5. Step 5: Solve for x
    x = 31,178,372,409,627.14/5,676,943.10
  6. Step 6: Final answer
    x = 5,492,105.85

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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.