Finding the Fourth Proportional to 5,188,598.48, 7,777,481.16 and 1,775,879.84
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Solution
The fourth proportional to 5,188,598.48, 7,777,481.16 and 1,775,879.84 is: 2,661,965.86
Step by Step Solution
- Step 1: Write the proportion equation
5,188,598.48 : 7,777,481.16 = 1,775,879.84 : x - Step 2: Convert to fraction form
5,188,598.48/7,777,481.16 = 1,775,879.84/x - Step 3: Cross multiply
5,188,598.48x = 7,777,481.16 × 1,775,879.84 - Step 4: Simplify right side
5,188,598.48x = 13,811,871,998,023.81 - Step 5: Solve for x
x = 13,811,871,998,023.81/5,188,598.48 - Step 6: Final answer
x = 2,661,965.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.