Home / 2,311,187.25-3,463,941.49-1,298,179.78

Finding the Fourth Proportional to 2,311,187.25, 3,463,941.49 and 1,298,179.78

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Solution

The fourth proportional to 2,311,187.25, 3,463,941.49 and 1,298,179.78 is: 1,945,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,187.25 : 3,463,941.49 = 1,298,179.78 : x
  2. Step 2: Convert to fraction form
    2,311,187.25/3,463,941.49 = 1,298,179.78/x
  3. Step 3: Cross multiply
    2,311,187.25x = 3,463,941.49 × 1,298,179.78
  4. Step 4: Simplify right side
    2,311,187.25x = 4,496,818,801,421.07
  5. Step 5: Solve for x
    x = 4,496,818,801,421.07/2,311,187.25
  6. Step 6: Final answer
    x = 1,945,674.80

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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.