Finding the Fourth Proportional to 3,743,090.70, 5,604,138.45 and 3,638,114.70
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Solution
The fourth proportional to 3,743,090.70, 5,604,138.45 and 3,638,114.70 is: 5,446,968.86
Step by Step Solution
- Step 1: Write the proportion equation
3,743,090.70 : 5,604,138.45 = 3,638,114.70 : x - Step 2: Convert to fraction form
3,743,090.70/5,604,138.45 = 3,638,114.70/x - Step 3: Cross multiply
3,743,090.70x = 5,604,138.45 × 3,638,114.70 - Step 4: Simplify right side
3,743,090.70x = 20,388,498,475,780.21 - Step 5: Solve for x
x = 20,388,498,475,780.21/3,743,090.70 - Step 6: Final answer
x = 5,446,968.86
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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.