Finding the Fourth Proportional to 5,383,486.84, 7,427,335.82 and 3,450,813.10
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Solution
The fourth proportional to 5,383,486.84, 7,427,335.82 and 3,450,813.10 is: 4,760,919.55
Step by Step Solution
- Step 1: Write the proportion equation
5,383,486.84 : 7,427,335.82 = 3,450,813.10 : x - Step 2: Convert to fraction form
5,383,486.84/7,427,335.82 = 3,450,813.10/x - Step 3: Cross multiply
5,383,486.84x = 7,427,335.82 × 3,450,813.10 - Step 4: Simplify right side
5,383,486.84x = 25,630,347,745,755.24 - Step 5: Solve for x
x = 25,630,347,745,755.24/5,383,486.84 - Step 6: Final answer
x = 4,760,919.55
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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.