Finding the Fourth Proportional to 5,167,911.75, 7,751,936.75 and 1,622,055.75
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Solution
The fourth proportional to 5,167,911.75, 7,751,936.75 and 1,622,055.75 is: 2,433,105.32
Step by Step Solution
- Step 1: Write the proportion equation
5,167,911.75 : 7,751,936.75 = 1,622,055.75 : x - Step 2: Convert to fraction form
5,167,911.75/7,751,936.75 = 1,622,055.75/x - Step 3: Cross multiply
5,167,911.75x = 7,751,936.75 × 1,622,055.75 - Step 4: Simplify right side
5,167,911.75x = 12,574,073,570,863.53 - Step 5: Solve for x
x = 12,574,073,570,863.53/5,167,911.75 - Step 6: Final answer
x = 2,433,105.32
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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.