Finding the Fourth Proportional to 5,135,625.36, 7,087,376.60 and 2,843,786.05
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Solution
The fourth proportional to 5,135,625.36, 7,087,376.60 and 2,843,786.05 is: 3,924,543.03
Step by Step Solution
- Step 1: Write the proportion equation
5,135,625.36 : 7,087,376.60 = 2,843,786.05 : x - Step 2: Convert to fraction form
5,135,625.36/7,087,376.60 = 2,843,786.05/x - Step 3: Cross multiply
5,135,625.36x = 7,087,376.60 × 2,843,786.05 - Step 4: Simplify right side
5,135,625.36x = 20,154,982,706,176.43 - Step 5: Solve for x
x = 20,154,982,706,176.43/5,135,625.36 - Step 6: Final answer
x = 3,924,543.03
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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.