Finding the Fourth Proportional to 5,198,573.65, 7,173,550.17 and 2,875,416.16
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Solution
The fourth proportional to 5,198,573.65, 7,173,550.17 and 2,875,416.16 is: 3,967,807.99
Step by Step Solution
- Step 1: Write the proportion equation
5,198,573.65 : 7,173,550.17 = 2,875,416.16 : x - Step 2: Convert to fraction form
5,198,573.65/7,173,550.17 = 2,875,416.16/x - Step 3: Cross multiply
5,198,573.65x = 7,173,550.17 × 2,875,416.16 - Step 4: Simplify right side
5,198,573.65x = 20,626,942,083,388.75 - Step 5: Solve for x
x = 20,626,942,083,388.75/5,198,573.65 - Step 6: Final answer
x = 3,967,807.99
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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.