Finding the Fourth Proportional to 4,389,722.69, 6,617,485.90 and 4,097,102.09
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Solution
The fourth proportional to 4,389,722.69, 6,617,485.90 and 4,097,102.09 is: 6,176,361.75
Step by Step Solution
- Step 1: Write the proportion equation
4,389,722.69 : 6,617,485.90 = 4,097,102.09 : x - Step 2: Convert to fraction form
4,389,722.69/6,617,485.90 = 4,097,102.09/x - Step 3: Cross multiply
4,389,722.69x = 6,617,485.90 × 4,097,102.09 - Step 4: Simplify right side
4,389,722.69x = 27,112,515,283,469.48 - Step 5: Solve for x
x = 27,112,515,283,469.48/4,389,722.69 - Step 6: Final answer
x = 6,176,361.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.