Finding the Fourth Proportional to 5,194,435.62, 7,168,183.65 and 2,902,615.14
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Solution
The fourth proportional to 5,194,435.62, 7,168,183.65 and 2,902,615.14 is: 4,005,532.06
Step by Step Solution
- Step 1: Write the proportion equation
5,194,435.62 : 7,168,183.65 = 2,902,615.14 : x - Step 2: Convert to fraction form
5,194,435.62/7,168,183.65 = 2,902,615.14/x - Step 3: Cross multiply
5,194,435.62x = 7,168,183.65 × 2,902,615.14 - Step 4: Simplify right side
5,194,435.62x = 20,806,478,388,790.46 - Step 5: Solve for x
x = 20,806,478,388,790.46/5,194,435.62 - Step 6: Final answer
x = 4,005,532.06
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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.