Finding the Fourth Proportional to 5,136,837.17, 7,088,817.56 and 2,961,369.95
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Solution
The fourth proportional to 5,136,837.17, 7,088,817.56 and 2,961,369.95 is: 4,086,680.30
Step by Step Solution
- Step 1: Write the proportion equation
5,136,837.17 : 7,088,817.56 = 2,961,369.95 : x - Step 2: Convert to fraction form
5,136,837.17/7,088,817.56 = 2,961,369.95/x - Step 3: Cross multiply
5,136,837.17x = 7,088,817.56 × 2,961,369.95 - Step 4: Simplify right side
5,136,837.17x = 20,992,611,252,965.38 - Step 5: Solve for x
x = 20,992,611,252,965.38/5,136,837.17 - Step 6: Final answer
x = 4,086,680.30
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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.