Finding the Fourth Proportional to 5,252,816, 7,879,224.12 and 1,263,728
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Solution
The fourth proportional to 5,252,816, 7,879,224.12 and 1,263,728 is: 1,895,592.03
Step by Step Solution
- Step 1: Write the proportion equation
5,252,816 : 7,879,224.12 = 1,263,728 : x - Step 2: Convert to fraction form
5,252,816/7,879,224.12 = 1,263,728/x - Step 3: Cross multiply
5,252,816x = 7,879,224.12 × 1,263,728 - Step 4: Simplify right side
5,252,816x = 9,957,196,138,719.36 - Step 5: Solve for x
x = 9,957,196,138,719.36/5,252,816 - Step 6: Final answer
x = 1,895,592.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.