Finding the Fourth Proportional to 5,198,039.36, 7,173,563.34 and 2,993,229.68
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Solution
The fourth proportional to 5,198,039.36, 7,173,563.34 and 2,993,229.68 is: 4,130,811.87
Step by Step Solution
- Step 1: Write the proportion equation
5,198,039.36 : 7,173,563.34 = 2,993,229.68 : x - Step 2: Convert to fraction form
5,198,039.36/7,173,563.34 = 2,993,229.68/x - Step 3: Cross multiply
5,198,039.36x = 7,173,563.34 × 2,993,229.68 - Step 4: Simplify right side
5,198,039.36x = 21,472,122,700,647.93 - Step 5: Solve for x
x = 21,472,122,700,647.93/5,198,039.36 - Step 6: Final answer
x = 4,130,811.87
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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.