Home / 2,787,671.09-4,180,620.60-1,894,850.21

Finding the Fourth Proportional to 2,787,671.09, 4,180,620.60 and 1,894,850.21

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Solution

The fourth proportional to 2,787,671.09, 4,180,620.60 and 1,894,850.21 is: 2,841,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,671.09 : 4,180,620.60 = 1,894,850.21 : x
  2. Step 2: Convert to fraction form
    2,787,671.09/4,180,620.60 = 1,894,850.21/x
  3. Step 3: Cross multiply
    2,787,671.09x = 4,180,620.60 × 1,894,850.21
  4. Step 4: Simplify right side
    2,787,671.09x = 7,921,649,832,291.88
  5. Step 5: Solve for x
    x = 7,921,649,832,291.88/2,787,671.09
  6. Step 6: Final answer
    x = 2,841,673.06

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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.