Finding the Fourth Proportional to 7,994,586.79, 11,989,194.96 and 2,601,968.99
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Solution
The fourth proportional to 7,994,586.79, 11,989,194.96 and 2,601,968.99 is: 3,902,079.53
Step by Step Solution
- Step 1: Write the proportion equation
7,994,586.79 : 11,989,194.96 = 2,601,968.99 : x - Step 2: Convert to fraction form
7,994,586.79/11,989,194.96 = 2,601,968.99/x - Step 3: Cross multiply
7,994,586.79x = 11,989,194.96 × 2,601,968.99 - Step 4: Simplify right side
7,994,586.79x = 31,195,513,500,984.30 - Step 5: Solve for x
x = 31,195,513,500,984.30/7,994,586.79 - Step 6: Final answer
x = 3,902,079.53
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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.