Finding the Fourth Proportional to 5,330,331.43, 7,355,858.54 and 3,007,716.91
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Solution
The fourth proportional to 5,330,331.43, 7,355,858.54 and 3,007,716.91 is: 4,150,649.99
Step by Step Solution
- Step 1: Write the proportion equation
5,330,331.43 : 7,355,858.54 = 3,007,716.91 : x - Step 2: Convert to fraction form
5,330,331.43/7,355,858.54 = 3,007,716.91/x - Step 3: Cross multiply
5,330,331.43x = 7,355,858.54 × 3,007,716.91 - Step 4: Simplify right side
5,330,331.43x = 22,124,340,084,897.68 - Step 5: Solve for x
x = 22,124,340,084,897.68/5,330,331.43 - Step 6: Final answer
x = 4,150,649.99
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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.