Finding the Fourth Proportional to 1,995,279.75, 2,753,554.10 and 1,089,920.07
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Solution
The fourth proportional to 1,995,279.75, 2,753,554.10 and 1,089,920.07 is: 1,504,126.86
Step by Step Solution
- Step 1: Write the proportion equation
1,995,279.75 : 2,753,554.10 = 1,089,920.07 : x - Step 2: Convert to fraction form
1,995,279.75/2,753,554.10 = 1,089,920.07/x - Step 3: Cross multiply
1,995,279.75x = 2,753,554.10 × 1,089,920.07 - Step 4: Simplify right side
1,995,279.75x = 3,001,153,871,971.19 - Step 5: Solve for x
x = 3,001,153,871,971.19/1,995,279.75 - Step 6: Final answer
x = 1,504,126.86
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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.