Finding the Fourth Proportional to 3,670,365.80, 5,505,548.70 and 3,085,780.70
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Solution
The fourth proportional to 3,670,365.80, 5,505,548.70 and 3,085,780.70 is: 4,628,671.05
Step by Step Solution
- Step 1: Write the proportion equation
3,670,365.80 : 5,505,548.70 = 3,085,780.70 : x - Step 2: Convert to fraction form
3,670,365.80/5,505,548.70 = 3,085,780.70/x - Step 3: Cross multiply
3,670,365.80x = 5,505,548.70 × 3,085,780.70 - Step 4: Simplify right side
3,670,365.80x = 16,988,915,921,370.09 - Step 5: Solve for x
x = 16,988,915,921,370.09/3,670,365.80 - Step 6: Final answer
x = 4,628,671.05
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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.