Finding the Fourth Proportional to 6,325,382.68, 8,728,991.14 and 3,424,712.68
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Solution
The fourth proportional to 6,325,382.68, 8,728,991.14 and 3,424,712.68 is: 4,726,083.49
Step by Step Solution
- Step 1: Write the proportion equation
6,325,382.68 : 8,728,991.14 = 3,424,712.68 : x - Step 2: Convert to fraction form
6,325,382.68/8,728,991.14 = 3,424,712.68/x - Step 3: Cross multiply
6,325,382.68x = 8,728,991.14 × 3,424,712.68 - Step 4: Simplify right side
6,325,382.68x = 29,894,286,640,765.66 - Step 5: Solve for x
x = 29,894,286,640,765.66/6,325,382.68 - Step 6: Final answer
x = 4,726,083.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.