Finding the Fourth Proportional to 3,171,837.81, 4,757,715.48 and 775,703.19
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Solution
The fourth proportional to 3,171,837.81, 4,757,715.48 and 775,703.19 is: 1,163,544.70
Step by Step Solution
- Step 1: Write the proportion equation
3,171,837.81 : 4,757,715.48 = 775,703.19 : x - Step 2: Convert to fraction form
3,171,837.81/4,757,715.48 = 775,703.19/x - Step 3: Cross multiply
3,171,837.81x = 4,757,715.48 × 775,703.19 - Step 4: Simplify right side
3,171,837.81x = 3,690,575,074,948.38 - Step 5: Solve for x
x = 3,690,575,074,948.38/3,171,837.81 - Step 6: Final answer
x = 1,163,544.70
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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.