Finding the Fourth Proportional to 5,320,405.05, 7,342,181.38 and 2,997,325.44
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Solution
The fourth proportional to 5,320,405.05, 7,342,181.38 and 2,997,325.44 is: 4,136,321.73
Step by Step Solution
- Step 1: Write the proportion equation
5,320,405.05 : 7,342,181.38 = 2,997,325.44 : x - Step 2: Convert to fraction form
5,320,405.05/7,342,181.38 = 2,997,325.44/x - Step 3: Cross multiply
5,320,405.05x = 7,342,181.38 × 2,997,325.44 - Step 4: Simplify right side
5,320,405.05x = 22,006,906,998,657.40 - Step 5: Solve for x
x = 22,006,906,998,657.40/5,320,405.05 - Step 6: Final answer
x = 4,136,321.73
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1.5x scale
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.