Home / 1,883,198.20-2,820,131.70-1,208,241.40

Finding the Fourth Proportional to 1,883,198.20, 2,820,131.70 and 1,208,241.40

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Solution

The fourth proportional to 1,883,198.20, 2,820,131.70 and 1,208,241.40 is: 1,809,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,198.20 : 2,820,131.70 = 1,208,241.40 : x
  2. Step 2: Convert to fraction form
    1,883,198.20/2,820,131.70 = 1,208,241.40/x
  3. Step 3: Cross multiply
    1,883,198.20x = 2,820,131.70 × 1,208,241.40
  4. Step 4: Simplify right side
    1,883,198.20x = 3,407,399,873,392.38
  5. Step 5: Solve for x
    x = 3,407,399,873,392.38/1,883,198.20
  6. Step 6: Final answer
    x = 1,809,368.70

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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.