Finding the Fourth Proportional to 3,259,951.20, 4,886,427.60 and 1,237,413.60
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Solution
The fourth proportional to 3,259,951.20, 4,886,427.60 and 1,237,413.60 is: 1,854,792.17
Step by Step Solution
- Step 1: Write the proportion equation
3,259,951.20 : 4,886,427.60 = 1,237,413.60 : x - Step 2: Convert to fraction form
3,259,951.20/4,886,427.60 = 1,237,413.60/x - Step 3: Cross multiply
3,259,951.20x = 4,886,427.60 × 1,237,413.60 - Step 4: Simplify right side
3,259,951.20x = 6,046,531,967,655.36 - Step 5: Solve for x
x = 6,046,531,967,655.36/3,259,951.20 - Step 6: Final answer
x = 1,854,792.17
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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.