Finding the Fourth Proportional to 5,093,309.25, 7,029,765.23 and 2,919,309.53
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Solution
The fourth proportional to 5,093,309.25, 7,029,765.23 and 2,919,309.53 is: 4,029,219.44
Step by Step Solution
- Step 1: Write the proportion equation
5,093,309.25 : 7,029,765.23 = 2,919,309.53 : x - Step 2: Convert to fraction form
5,093,309.25/7,029,765.23 = 2,919,309.53/x - Step 3: Cross multiply
5,093,309.25x = 7,029,765.23 × 2,919,309.53 - Step 4: Simplify right side
5,093,309.25x = 20,522,060,629,601.64 - Step 5: Solve for x
x = 20,522,060,629,601.64/5,093,309.25 - Step 6: Final answer
x = 4,029,219.44
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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.