Finding the Fourth Proportional to 5,197,906.10, 7,170,230.61 and 3,022,208.73
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Solution
The fourth proportional to 5,197,906.10, 7,170,230.61 and 3,022,208.73 is: 4,168,973.65
Step by Step Solution
- Step 1: Write the proportion equation
5,197,906.10 : 7,170,230.61 = 3,022,208.73 : x - Step 2: Convert to fraction form
5,197,906.10/7,170,230.61 = 3,022,208.73/x - Step 3: Cross multiply
5,197,906.10x = 7,170,230.61 × 3,022,208.73 - Step 4: Simplify right side
5,197,906.10x = 21,669,933,545,655.23 - Step 5: Solve for x
x = 21,669,933,545,655.23/5,197,906.10 - Step 6: Final answer
x = 4,168,973.65
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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.