Finding the Fourth Proportional to 3,819,625.62, 5,729,812.11 and 1,391,438.40
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Solution
The fourth proportional to 3,819,625.62, 5,729,812.11 and 1,391,438.40 is: 2,087,293.73
Step by Step Solution
- Step 1: Write the proportion equation
3,819,625.62 : 5,729,812.11 = 1,391,438.40 : x - Step 2: Convert to fraction form
3,819,625.62/5,729,812.11 = 1,391,438.40/x - Step 3: Cross multiply
3,819,625.62x = 5,729,812.11 × 1,391,438.40 - Step 4: Simplify right side
3,819,625.62x = 7,972,680,594,639.03 - Step 5: Solve for x
x = 7,972,680,594,639.03/3,819,625.62 - Step 6: Final answer
x = 2,087,293.73
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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.