Home / 1,913,180.82-2,869,936.44-493,224.90

Finding the Fourth Proportional to 1,913,180.82, 2,869,936.44 and 493,224.90

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Solution

The fourth proportional to 1,913,180.82, 2,869,936.44 and 493,224.90 is: 739,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,180.82 : 2,869,936.44 = 493,224.90 : x
  2. Step 2: Convert to fraction form
    1,913,180.82/2,869,936.44 = 493,224.90/x
  3. Step 3: Cross multiply
    1,913,180.82x = 2,869,936.44 × 493,224.90
  4. Step 4: Simplify right side
    1,913,180.82x = 1,415,524,113,625.36
  5. Step 5: Solve for x
    x = 1,415,524,113,625.36/1,913,180.82
  6. Step 6: Final answer
    x = 739,879.94

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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.