Finding the Fourth Proportional to 3,817,618.26, 5,268,413.79 and 2,098,782.06
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Solution
The fourth proportional to 3,817,618.26, 5,268,413.79 and 2,098,782.06 is: 2,896,374.54
Step by Step Solution
- Step 1: Write the proportion equation
3,817,618.26 : 5,268,413.79 = 2,098,782.06 : x - Step 2: Convert to fraction form
3,817,618.26/5,268,413.79 = 2,098,782.06/x - Step 3: Cross multiply
3,817,618.26x = 5,268,413.79 × 2,098,782.06 - Step 4: Simplify right side
3,817,618.26x = 11,057,252,347,108.61 - Step 5: Solve for x
x = 11,057,252,347,108.61/3,817,618.26 - Step 6: Final answer
x = 2,896,374.54
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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.