Finding the Fourth Proportional to 3,743,881.23, 5,129,092.76 and 3,603,882.05
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Solution
The fourth proportional to 3,743,881.23, 5,129,092.76 and 3,603,882.05 is: 4,937,294.80
Step by Step Solution
- Step 1: Write the proportion equation
3,743,881.23 : 5,129,092.76 = 3,603,882.05 : x - Step 2: Convert to fraction form
3,743,881.23/5,129,092.76 = 3,603,882.05/x - Step 3: Cross multiply
3,743,881.23x = 5,129,092.76 × 3,603,882.05 - Step 4: Simplify right side
3,743,881.23x = 18,484,645,330,548.96 - Step 5: Solve for x
x = 18,484,645,330,548.96/3,743,881.23 - Step 6: Final answer
x = 4,937,294.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.