Finding the Fourth Proportional to 6,198,257.25, 8,552,006.46 and 3,618,455.58
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Solution
The fourth proportional to 6,198,257.25, 8,552,006.46 and 3,618,455.58 is: 4,992,541.33
Step by Step Solution
- Step 1: Write the proportion equation
6,198,257.25 : 8,552,006.46 = 3,618,455.58 : x - Step 2: Convert to fraction form
6,198,257.25/8,552,006.46 = 3,618,455.58/x - Step 3: Cross multiply
6,198,257.25x = 8,552,006.46 × 3,618,455.58 - Step 4: Simplify right side
6,198,257.25x = 30,945,055,495,383.05 - Step 5: Solve for x
x = 30,945,055,495,383.05/6,198,257.25 - Step 6: Final answer
x = 4,992,541.33
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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.