Finding the Fourth Proportional to 1,995,356.70, 2,753,603.37 and 1,089,938.70
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Solution
The fourth proportional to 1,995,356.70, 2,753,603.37 and 1,089,938.70 is: 1,504,121.48
Step by Step Solution
- Step 1: Write the proportion equation
1,995,356.70 : 2,753,603.37 = 1,089,938.70 : x - Step 2: Convert to fraction form
1,995,356.70/2,753,603.37 = 1,089,938.70/x - Step 3: Cross multiply
1,995,356.70x = 2,753,603.37 × 1,089,938.70 - Step 4: Simplify right side
1,995,356.70x = 3,001,258,877,413.42 - Step 5: Solve for x
x = 3,001,258,877,413.42/1,995,356.70 - Step 6: Final answer
x = 1,504,121.48
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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.