Finding the Fourth Proportional to 5,102,716.91, 7,653,883.69 and 1,264,550.43
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Solution
The fourth proportional to 5,102,716.91, 7,653,883.69 and 1,264,550.43 is: 1,896,778.15
Step by Step Solution
- Step 1: Write the proportion equation
5,102,716.91 : 7,653,883.69 = 1,264,550.43 : x - Step 2: Convert to fraction form
5,102,716.91/7,653,883.69 = 1,264,550.43/x - Step 3: Cross multiply
5,102,716.91x = 7,653,883.69 × 1,264,550.43 - Step 4: Simplify right side
5,102,716.91x = 9,678,721,941,642.24 - Step 5: Solve for x
x = 9,678,721,941,642.24/5,102,716.91 - Step 6: Final answer
x = 1,896,778.15
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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.