Finding the Fourth Proportional to 1,207,441.62, 1,811,224.44 and 308,891.11
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Solution
The fourth proportional to 1,207,441.62, 1,811,224.44 and 308,891.11 is: 463,352.53
Step by Step Solution
- Step 1: Write the proportion equation
1,207,441.62 : 1,811,224.44 = 308,891.11 : x - Step 2: Convert to fraction form
1,207,441.62/1,811,224.44 = 308,891.11/x - Step 3: Cross multiply
1,207,441.62x = 1,811,224.44 × 308,891.11 - Step 4: Simplify right side
1,207,441.62x = 559,471,127,730.73 - Step 5: Solve for x
x = 559,471,127,730.73/1,207,441.62 - Step 6: Final answer
x = 463,352.53
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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.