Finding the Fourth Proportional to 5,389,361.49, 7,435,552.62 and 3,840,867.09
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Solution
The fourth proportional to 5,389,361.49, 7,435,552.62 and 3,840,867.09 is: 5,299,137.83
Step by Step Solution
- Step 1: Write the proportion equation
5,389,361.49 : 7,435,552.62 = 3,840,867.09 : x - Step 2: Convert to fraction form
5,389,361.49/7,435,552.62 = 3,840,867.09/x - Step 3: Cross multiply
5,389,361.49x = 7,435,552.62 × 3,840,867.09 - Step 4: Simplify right side
5,389,361.49x = 28,558,969,354,121.27 - Step 5: Solve for x
x = 28,558,969,354,121.27/5,389,361.49 - Step 6: Final answer
x = 5,299,137.83
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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.