Finding the Fourth Proportional to 5,198,855.24, 7,173,868.07 and 2,875,378.55
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Solution
The fourth proportional to 5,198,855.24, 7,173,868.07 and 2,875,378.55 is: 3,967,717.00
Step by Step Solution
- Step 1: Write the proportion equation
5,198,855.24 : 7,173,868.07 = 2,875,378.55 : x - Step 2: Convert to fraction form
5,198,855.24/7,173,868.07 = 2,875,378.55/x - Step 3: Cross multiply
5,198,855.24x = 7,173,868.07 × 2,875,378.55 - Step 4: Simplify right side
5,198,855.24x = 20,627,586,318,761.67 - Step 5: Solve for x
x = 20,627,586,318,761.67/5,198,855.24 - Step 6: Final answer
x = 3,967,717.00
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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.