Finding the Fourth Proportional to 5,284,712.93, 7,924,184.60 and 1,591,197.98
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Solution
The fourth proportional to 5,284,712.93, 7,924,184.60 and 1,591,197.98 is: 2,385,928.37
Step by Step Solution
- Step 1: Write the proportion equation
5,284,712.93 : 7,924,184.60 = 1,591,197.98 : x - Step 2: Convert to fraction form
5,284,712.93/7,924,184.60 = 1,591,197.98/x - Step 3: Cross multiply
5,284,712.93x = 7,924,184.60 × 1,591,197.98 - Step 4: Simplify right side
5,284,712.93x = 12,608,946,481,090.20 - Step 5: Solve for x
x = 12,608,946,481,090.20/5,284,712.93 - Step 6: Final answer
x = 2,385,928.37
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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.