Finding the Fourth Proportional to 5,660,688.93, 7,811,890.74 and 3,082,509.96
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Solution
The fourth proportional to 5,660,688.93, 7,811,890.74 and 3,082,509.96 is: 4,253,939.99
Step by Step Solution
- Step 1: Write the proportion equation
5,660,688.93 : 7,811,890.74 = 3,082,509.96 : x - Step 2: Convert to fraction form
5,660,688.93/7,811,890.74 = 3,082,509.96/x - Step 3: Cross multiply
5,660,688.93x = 7,811,890.74 × 3,082,509.96 - Step 4: Simplify right side
5,660,688.93x = 24,080,231,012,481.77 - Step 5: Solve for x
x = 24,080,231,012,481.77/5,660,688.93 - Step 6: Final answer
x = 4,253,939.99
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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.