Home / 2,607,037.20-3,910,847.40-809,906.40

Finding the Fourth Proportional to 2,607,037.20, 3,910,847.40 and 809,906.40

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Solution

The fourth proportional to 2,607,037.20, 3,910,847.40 and 809,906.40 is: 1,214,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,037.20 : 3,910,847.40 = 809,906.40 : x
  2. Step 2: Convert to fraction form
    2,607,037.20/3,910,847.40 = 809,906.40/x
  3. Step 3: Cross multiply
    2,607,037.20x = 3,910,847.40 × 809,906.40
  4. Step 4: Simplify right side
    2,607,037.20x = 3,167,420,338,683.36
  5. Step 5: Solve for x
    x = 3,167,420,338,683.36/2,607,037.20
  6. Step 6: Final answer
    x = 1,214,950.19

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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.