Finding the Fourth Proportional to 5,203,893.62, 7,181,458.22 and 2,849,052.09
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Solution
The fourth proportional to 5,203,893.62, 7,181,458.22 and 2,849,052.09 is: 3,931,738.43
Step by Step Solution
- Step 1: Write the proportion equation
5,203,893.62 : 7,181,458.22 = 2,849,052.09 : x - Step 2: Convert to fraction form
5,203,893.62/7,181,458.22 = 2,849,052.09/x - Step 3: Cross multiply
5,203,893.62x = 7,181,458.22 × 2,849,052.09 - Step 4: Simplify right side
5,203,893.62x = 20,460,348,536,693.42 - Step 5: Solve for x
x = 20,460,348,536,693.42/5,203,893.62 - Step 6: Final answer
x = 3,931,738.43
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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.