Finding the Fourth Proportional to 5,212,235.44, 7,192,880.04 and 2,920,412.48
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Solution
The fourth proportional to 5,212,235.44, 7,192,880.04 and 2,920,412.48 is: 4,030,166.50
Step by Step Solution
- Step 1: Write the proportion equation
5,212,235.44 : 7,192,880.04 = 2,920,412.48 : x - Step 2: Convert to fraction form
5,212,235.44/7,192,880.04 = 2,920,412.48/x - Step 3: Cross multiply
5,212,235.44x = 7,192,880.04 × 2,920,412.48 - Step 4: Simplify right side
5,212,235.44x = 21,006,176,635,958.90 - Step 5: Solve for x
x = 21,006,176,635,958.90/5,212,235.44 - Step 6: Final answer
x = 4,030,166.50
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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.