Finding the Fourth Proportional to 4,923,905.54, 6,796,123.38 and 2,887,371.14
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Solution
The fourth proportional to 4,923,905.54, 6,796,123.38 and 2,887,371.14 is: 3,985,236.99
Step by Step Solution
- Step 1: Write the proportion equation
4,923,905.54 : 6,796,123.38 = 2,887,371.14 : x - Step 2: Convert to fraction form
4,923,905.54/6,796,123.38 = 2,887,371.14/x - Step 3: Cross multiply
4,923,905.54x = 6,796,123.38 × 2,887,371.14 - Step 4: Simplify right side
4,923,905.54x = 19,622,930,511,291.25 - Step 5: Solve for x
x = 19,622,930,511,291.25/4,923,905.54 - Step 6: Final answer
x = 3,985,236.99
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1.5x scale
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.