Finding the Fourth Proportional to 4,900,090.97, 7,351,631.75 and 2,505,617.57
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Solution
The fourth proportional to 4,900,090.97, 7,351,631.75 and 2,505,617.57 is: 3,759,190.96
Step by Step Solution
- Step 1: Write the proportion equation
4,900,090.97 : 7,351,631.75 = 2,505,617.57 : x - Step 2: Convert to fraction form
4,900,090.97/7,351,631.75 = 2,505,617.57/x - Step 3: Cross multiply
4,900,090.97x = 7,351,631.75 × 2,505,617.57 - Step 4: Simplify right side
4,900,090.97x = 18,420,377,705,612.97 - Step 5: Solve for x
x = 18,420,377,705,612.97/4,900,090.97 - Step 6: Final answer
x = 3,759,190.96
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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.