Finding the Fourth Proportional to 3,991,893.98, 5,511,254.91 and 2,597,783.95
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Solution
The fourth proportional to 3,991,893.98, 5,511,254.91 and 2,597,783.95 is: 3,586,530.50
Step by Step Solution
- Step 1: Write the proportion equation
3,991,893.98 : 5,511,254.91 = 2,597,783.95 : x - Step 2: Convert to fraction form
3,991,893.98/5,511,254.91 = 2,597,783.95/x - Step 3: Cross multiply
3,991,893.98x = 5,511,254.91 × 2,597,783.95 - Step 4: Simplify right side
3,991,893.98x = 14,317,049,526,036.87 - Step 5: Solve for x
x = 14,317,049,526,036.87/3,991,893.98 - Step 6: Final answer
x = 3,586,530.50
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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.