Finding the Fourth Proportional to 2,174,194.26, 3,000,287.25 and 1,207,386.18
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Solution
The fourth proportional to 2,174,194.26, 3,000,287.25 and 1,207,386.18 is: 1,666,136.94
Step by Step Solution
- Step 1: Write the proportion equation
2,174,194.26 : 3,000,287.25 = 1,207,386.18 : x - Step 2: Convert to fraction form
2,174,194.26/3,000,287.25 = 1,207,386.18/x - Step 3: Cross multiply
2,174,194.26x = 3,000,287.25 × 1,207,386.18 - Step 4: Simplify right side
2,174,194.26x = 3,622,505,361,680.20 - Step 5: Solve for x
x = 3,622,505,361,680.20/2,174,194.26 - Step 6: Final answer
x = 1,666,136.94
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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.