Finding the Fourth Proportional to 2,701,843.56, 3,728,515.74 and 1,478,136.60
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Solution
The fourth proportional to 2,701,843.56, 3,728,515.74 and 1,478,136.60 is: 2,039,812.99
Step by Step Solution
- Step 1: Write the proportion equation
2,701,843.56 : 3,728,515.74 = 1,478,136.60 : x - Step 2: Convert to fraction form
2,701,843.56/3,728,515.74 = 1,478,136.60/x - Step 3: Cross multiply
2,701,843.56x = 3,728,515.74 × 1,478,136.60 - Step 4: Simplify right side
2,701,843.56x = 5,511,255,578,970.09 - Step 5: Solve for x
x = 5,511,255,578,970.09/2,701,843.56 - Step 6: Final answer
x = 2,039,812.99
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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.