Finding the Fourth Proportional to 3,771,949.88, 5,659,027.13 and 1,213,107.33
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Solution
The fourth proportional to 3,771,949.88, 5,659,027.13 and 1,213,107.33 is: 1,820,015.52
Step by Step Solution
- Step 1: Write the proportion equation
3,771,949.88 : 5,659,027.13 = 1,213,107.33 : x - Step 2: Convert to fraction form
3,771,949.88/5,659,027.13 = 1,213,107.33/x - Step 3: Cross multiply
3,771,949.88x = 5,659,027.13 × 1,213,107.33 - Step 4: Simplify right side
3,771,949.88x = 6,865,007,316,325.98 - Step 5: Solve for x
x = 6,865,007,316,325.98/3,771,949.88 - Step 6: Final answer
x = 1,820,015.52
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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.