Finding the Fourth Proportional to 4,491,570.78, 6,198,383.79 and 2,454,380.28
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Solution
The fourth proportional to 4,491,570.78, 6,198,383.79 and 2,454,380.28 is: 3,387,053.59
Step by Step Solution
- Step 1: Write the proportion equation
4,491,570.78 : 6,198,383.79 = 2,454,380.28 : x - Step 2: Convert to fraction form
4,491,570.78/6,198,383.79 = 2,454,380.28/x - Step 3: Cross multiply
4,491,570.78x = 6,198,383.79 × 2,454,380.28 - Step 4: Simplify right side
4,491,570.78x = 15,213,190,942,047.66 - Step 5: Solve for x
x = 15,213,190,942,047.66/4,491,570.78 - Step 6: Final answer
x = 3,387,053.59
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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.