Home / 2,005,715.70-2,766,470.49-1,242,015.30

Finding the Fourth Proportional to 2,005,715.70, 2,766,470.49 and 1,242,015.30

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Solution

The fourth proportional to 2,005,715.70, 2,766,470.49 and 1,242,015.30 is: 1,713,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,715.70 : 2,766,470.49 = 1,242,015.30 : x
  2. Step 2: Convert to fraction form
    2,005,715.70/2,766,470.49 = 1,242,015.30/x
  3. Step 3: Cross multiply
    2,005,715.70x = 2,766,470.49 × 1,242,015.30
  4. Step 4: Simplify right side
    2,005,715.70x = 3,435,998,675,578.50
  5. Step 5: Solve for x
    x = 3,435,998,675,578.50/2,005,715.70
  6. Step 6: Final answer
    x = 1,713,103.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.