Finding the Fourth Proportional to 5,531,984.25, 8,293,243.36 and 2,122,717.42
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Solution
The fourth proportional to 5,531,984.25, 8,293,243.36 and 2,122,717.42 is: 3,182,259.99
Step by Step Solution
- Step 1: Write the proportion equation
5,531,984.25 : 8,293,243.36 = 2,122,717.42 : x - Step 2: Convert to fraction form
5,531,984.25/8,293,243.36 = 2,122,717.42/x - Step 3: Cross multiply
5,531,984.25x = 8,293,243.36 × 2,122,717.42 - Step 4: Simplify right side
5,531,984.25x = 17,604,212,148,571.33 - Step 5: Solve for x
x = 17,604,212,148,571.33/5,531,984.25 - Step 6: Final answer
x = 3,182,259.99
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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.