Finding the Fourth Proportional to 3,615,552.18, 5,420,135.25 and 2,766,413.99
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Solution
The fourth proportional to 3,615,552.18, 5,420,135.25 and 2,766,413.99 is: 4,147,177.87
Step by Step Solution
- Step 1: Write the proportion equation
3,615,552.18 : 5,420,135.25 = 2,766,413.99 : x - Step 2: Convert to fraction form
3,615,552.18/5,420,135.25 = 2,766,413.99/x - Step 3: Cross multiply
3,615,552.18x = 5,420,135.25 × 2,766,413.99 - Step 4: Simplify right side
3,615,552.18x = 14,994,337,996,842.49 - Step 5: Solve for x
x = 14,994,337,996,842.49/3,615,552.18 - Step 6: Final answer
x = 4,147,177.87
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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.