Finding the Fourth Proportional to 3,888,863.34, 5,365,830.24 and 2,234,690.96
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Solution
The fourth proportional to 3,888,863.34, 5,365,830.24 and 2,234,690.96 is: 3,083,413.14
Step by Step Solution
- Step 1: Write the proportion equation
3,888,863.34 : 5,365,830.24 = 2,234,690.96 : x - Step 2: Convert to fraction form
3,888,863.34/5,365,830.24 = 2,234,690.96/x - Step 3: Cross multiply
3,888,863.34x = 5,365,830.24 × 2,234,690.96 - Step 4: Simplify right side
3,888,863.34x = 11,990,972,330,222.63 - Step 5: Solve for x
x = 11,990,972,330,222.63/3,888,863.34 - Step 6: Final answer
x = 3,083,413.14
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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.