Finding the Fourth Proportional to 2,148,717.98, 2,965,232.33 and 1,181,921.82
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Solution
The fourth proportional to 2,148,717.98, 2,965,232.33 and 1,181,921.82 is: 1,631,052.95
Step by Step Solution
- Step 1: Write the proportion equation
2,148,717.98 : 2,965,232.33 = 1,181,921.82 : x - Step 2: Convert to fraction form
2,148,717.98/2,965,232.33 = 1,181,921.82/x - Step 3: Cross multiply
2,148,717.98x = 2,965,232.33 × 1,181,921.82 - Step 4: Simplify right side
2,148,717.98x = 3,504,672,792,196.44 - Step 5: Solve for x
x = 3,504,672,792,196.44/2,148,717.98 - Step 6: Final answer
x = 1,631,052.95
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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.