Finding the Fourth Proportional to 3,821,721.26, 5,731,869.72 and 1,228,070.99
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Solution
The fourth proportional to 3,821,721.26, 5,731,869.72 and 1,228,070.99 is: 1,841,877.64
Step by Step Solution
- Step 1: Write the proportion equation
3,821,721.26 : 5,731,869.72 = 1,228,070.99 : x - Step 2: Convert to fraction form
3,821,721.26/5,731,869.72 = 1,228,070.99/x - Step 3: Cross multiply
3,821,721.26x = 5,731,869.72 × 1,228,070.99 - Step 4: Simplify right side
3,821,721.26x = 7,039,142,921,591.42 - Step 5: Solve for x
x = 7,039,142,921,591.42/3,821,721.26 - Step 6: Final answer
x = 1,841,877.64
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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.