Finding the Fourth Proportional to 3,670,286.70, 5,505,430.05 and 2,657,268.30
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Solution
The fourth proportional to 3,670,286.70, 5,505,430.05 and 2,657,268.30 is: 3,985,902.45
Step by Step Solution
- Step 1: Write the proportion equation
3,670,286.70 : 5,505,430.05 = 2,657,268.30 : x - Step 2: Convert to fraction form
3,670,286.70/5,505,430.05 = 2,657,268.30/x - Step 3: Cross multiply
3,670,286.70x = 5,505,430.05 × 2,657,268.30 - Step 4: Simplify right side
3,670,286.70x = 14,629,404,749,732.41 - Step 5: Solve for x
x = 14,629,404,749,732.41/3,670,286.70 - Step 6: Final answer
x = 3,985,902.45
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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.