Finding the Fourth Proportional to 3,821,958.57, 5,732,937.81 and 1,393,293.95
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Solution
The fourth proportional to 3,821,958.57, 5,732,937.81 and 1,393,293.95 is: 2,089,940.90
Step by Step Solution
- Step 1: Write the proportion equation
3,821,958.57 : 5,732,937.81 = 1,393,293.95 : x - Step 2: Convert to fraction form
3,821,958.57/5,732,937.81 = 1,393,293.95/x - Step 3: Cross multiply
3,821,958.57x = 5,732,937.81 × 1,393,293.95 - Step 4: Simplify right side
3,821,958.57x = 7,987,667,537,734.56 - Step 5: Solve for x
x = 7,987,667,537,734.56/3,821,958.57 - Step 6: Final answer
x = 2,089,940.90
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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.