Finding the Fourth Proportional to 5,728,413.47, 7,903,275.62 and 3,247,367.99
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Solution
The fourth proportional to 5,728,413.47, 7,903,275.62 and 3,247,367.99 is: 4,480,270.91
Step by Step Solution
- Step 1: Write the proportion equation
5,728,413.47 : 7,903,275.62 = 3,247,367.99 : x - Step 2: Convert to fraction form
5,728,413.47/7,903,275.62 = 3,247,367.99/x - Step 3: Cross multiply
5,728,413.47x = 7,903,275.62 × 3,247,367.99 - Step 4: Simplify right side
5,728,413.47x = 25,664,844,208,782.18 - Step 5: Solve for x
x = 25,664,844,208,782.18/5,728,413.47 - Step 6: Final answer
x = 4,480,270.91
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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.