Finding the Fourth Proportional to 3,622,412.70, 5,433,619.05 and 1,942,796.70
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Solution
The fourth proportional to 3,622,412.70, 5,433,619.05 and 1,942,796.70 is: 2,914,195.05
Step by Step Solution
- Step 1: Write the proportion equation
3,622,412.70 : 5,433,619.05 = 1,942,796.70 : x - Step 2: Convert to fraction form
3,622,412.70/5,433,619.05 = 1,942,796.70/x - Step 3: Cross multiply
3,622,412.70x = 5,433,619.05 × 1,942,796.70 - Step 4: Simplify right side
3,622,412.70x = 10,556,417,159,397.13 - Step 5: Solve for x
x = 10,556,417,159,397.13/3,622,412.70 - Step 6: Final answer
x = 2,914,195.05
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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.