Finding the Fourth Proportional to 4,655,845.18, 6,981,731.79 and 2,348,918.99
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Solution
The fourth proportional to 4,655,845.18, 6,981,731.79 and 2,348,918.99 is: 3,522,351.31
Step by Step Solution
- Step 1: Write the proportion equation
4,655,845.18 : 6,981,731.79 = 2,348,918.99 : x - Step 2: Convert to fraction form
4,655,845.18/6,981,731.79 = 2,348,918.99/x - Step 3: Cross multiply
4,655,845.18x = 6,981,731.79 × 2,348,918.99 - Step 4: Simplify right side
4,655,845.18x = 16,399,522,384,617.69 - Step 5: Solve for x
x = 16,399,522,384,617.69/4,655,845.18 - Step 6: Final answer
x = 3,522,351.31
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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.