Finding the Fourth Proportional to 1,333,413.51, 1,840,115.49 and 721,566.21
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Solution
The fourth proportional to 1,333,413.51, 1,840,115.49 and 721,566.21 is: 995,763.99
Step by Step Solution
- Step 1: Write the proportion equation
1,333,413.51 : 1,840,115.49 = 721,566.21 : x - Step 2: Convert to fraction form
1,333,413.51/1,840,115.49 = 721,566.21/x - Step 3: Cross multiply
1,333,413.51x = 1,840,115.49 × 721,566.21 - Step 4: Simplify right side
1,333,413.51x = 1,327,765,160,081.59 - Step 5: Solve for x
x = 1,327,765,160,081.59/1,333,413.51 - Step 6: Final answer
x = 995,763.99
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1.5x scale
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.