Finding the Fourth Proportional to 5,163,157.62, 7,741,242.36 and 2,890,251.36
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Solution
The fourth proportional to 5,163,157.62, 7,741,242.36 and 2,890,251.36 is: 4,333,421.12
Step by Step Solution
- Step 1: Write the proportion equation
5,163,157.62 : 7,741,242.36 = 2,890,251.36 : x - Step 2: Convert to fraction form
5,163,157.62/7,741,242.36 = 2,890,251.36/x - Step 3: Cross multiply
5,163,157.62x = 7,741,242.36 × 2,890,251.36 - Step 4: Simplify right side
5,163,157.62x = 22,374,136,259,079.61 - Step 5: Solve for x
x = 22,374,136,259,079.61/5,163,157.62 - Step 6: Final answer
x = 4,333,421.12
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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.