Finding the Fourth Proportional to 2,945,839.40, 4,065,419.19 and 1,656,755.99
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Solution
The fourth proportional to 2,945,839.40, 4,065,419.19 and 1,656,755.99 is: 2,286,413.71
Step by Step Solution
- Step 1: Write the proportion equation
2,945,839.40 : 4,065,419.19 = 1,656,755.99 : x - Step 2: Convert to fraction form
2,945,839.40/4,065,419.19 = 1,656,755.99/x - Step 3: Cross multiply
2,945,839.40x = 4,065,419.19 × 1,656,755.99 - Step 4: Simplify right side
2,945,839.40x = 6,735,407,574,566.35 - Step 5: Solve for x
x = 6,735,407,574,566.35/2,945,839.40 - Step 6: Final answer
x = 2,286,413.71
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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.