Finding the Fourth Proportional to 1,399,114.49, 2,098,436.97 and 388,339.14
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Solution
The fourth proportional to 1,399,114.49, 2,098,436.97 and 388,339.14 is: 582,443.55
Step by Step Solution
- Step 1: Write the proportion equation
1,399,114.49 : 2,098,436.97 = 388,339.14 : x - Step 2: Convert to fraction form
1,399,114.49/2,098,436.97 = 388,339.14/x - Step 3: Cross multiply
1,399,114.49x = 2,098,436.97 × 388,339.14 - Step 4: Simplify right side
1,399,114.49x = 814,905,208,274.01 - Step 5: Solve for x
x = 814,905,208,274.01/1,399,114.49 - Step 6: Final answer
x = 582,443.55
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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.