Finding the Fourth Proportional to 3,741,152.19, 5,164,185.69 and 2,912,583.99
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Solution
The fourth proportional to 3,741,152.19, 5,164,185.69 and 2,912,583.99 is: 4,020,452.47
Step by Step Solution
- Step 1: Write the proportion equation
3,741,152.19 : 5,164,185.69 = 2,912,583.99 : x - Step 2: Convert to fraction form
3,741,152.19/5,164,185.69 = 2,912,583.99/x - Step 3: Cross multiply
3,741,152.19x = 5,164,185.69 × 2,912,583.99 - Step 4: Simplify right side
3,741,152.19x = 15,041,124,562,081.11 - Step 5: Solve for x
x = 15,041,124,562,081.11/3,741,152.19 - Step 6: Final answer
x = 4,020,452.47
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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.