Finding the Fourth Proportional to 7,091,520.48, 10,638,965.52 and 2,299,213.44
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Solution
The fourth proportional to 7,091,520.48, 10,638,965.52 and 2,299,213.44 is: 3,449,366.41
Step by Step Solution
- Step 1: Write the proportion equation
7,091,520.48 : 10,638,965.52 = 2,299,213.44 : x - Step 2: Convert to fraction form
7,091,520.48/10,638,965.52 = 2,299,213.44/x - Step 3: Cross multiply
7,091,520.48x = 10,638,965.52 × 2,299,213.44 - Step 4: Simplify right side
7,091,520.48x = 24,461,252,511,280.59 - Step 5: Solve for x
x = 24,461,252,511,280.59/7,091,520.48 - Step 6: Final answer
x = 3,449,366.41
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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.