Finding the Fourth Proportional to 2,244,989.69, 3,098,039.09 and 1,264,979.19
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Solution
The fourth proportional to 2,244,989.69, 3,098,039.09 and 1,264,979.19 is: 1,745,644.98
Step by Step Solution
- Step 1: Write the proportion equation
2,244,989.69 : 3,098,039.09 = 1,264,979.19 : x - Step 2: Convert to fraction form
2,244,989.69/3,098,039.09 = 1,264,979.19/x - Step 3: Cross multiply
2,244,989.69x = 3,098,039.09 × 1,264,979.19 - Step 4: Simplify right side
2,244,989.69x = 3,918,954,972,331.64 - Step 5: Solve for x
x = 3,918,954,972,331.64/2,244,989.69 - Step 6: Final answer
x = 1,745,644.98
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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.