Finding the Fourth Proportional to 5,194,432.62, 7,168,179.51 and 2,902,612.14
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Solution
The fourth proportional to 5,194,432.62, 7,168,179.51 and 2,902,612.14 is: 4,005,527.92
Step by Step Solution
- Step 1: Write the proportion equation
5,194,432.62 : 7,168,179.51 = 2,902,612.14 : x - Step 2: Convert to fraction form
5,194,432.62/7,168,179.51 = 2,902,612.14/x - Step 3: Cross multiply
5,194,432.62x = 7,168,179.51 × 2,902,612.14 - Step 4: Simplify right side
5,194,432.62x = 20,806,444,867,425.25 - Step 5: Solve for x
x = 20,806,444,867,425.25/5,194,432.62 - Step 6: Final answer
x = 4,005,527.92
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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.