Finding the Fourth Proportional to 5,890,755.73, 8,129,291.34 and 3,312,413.95
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Solution
The fourth proportional to 5,890,755.73, 8,129,291.34 and 3,312,413.95 is: 4,571,158.48
Step by Step Solution
- Step 1: Write the proportion equation
5,890,755.73 : 8,129,291.34 = 3,312,413.95 : x - Step 2: Convert to fraction form
5,890,755.73/8,129,291.34 = 3,312,413.95/x - Step 3: Cross multiply
5,890,755.73x = 8,129,291.34 × 3,312,413.95 - Step 4: Simplify right side
5,890,755.73x = 26,927,578,038,230.20 - Step 5: Solve for x
x = 26,927,578,038,230.20/5,890,755.73 - Step 6: Final answer
x = 4,571,158.48
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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.