Finding the Fourth Proportional to 5,491,088.99, 7,578,067.56 and 3,043,803.18
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Solution
The fourth proportional to 5,491,088.99, 7,578,067.56 and 3,043,803.18 is: 4,200,650.58
Step by Step Solution
- Step 1: Write the proportion equation
5,491,088.99 : 7,578,067.56 = 3,043,803.18 : x - Step 2: Convert to fraction form
5,491,088.99/7,578,067.56 = 3,043,803.18/x - Step 3: Cross multiply
5,491,088.99x = 7,578,067.56 × 3,043,803.18 - Step 4: Simplify right side
5,491,088.99x = 23,066,146,137,382.84 - Step 5: Solve for x
x = 23,066,146,137,382.84/5,491,088.99 - Step 6: Final answer
x = 4,200,650.58
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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.