Finding the Fourth Proportional to 3,821,956.71, 5,732,935.05 and 1,393,292.09
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Solution
The fourth proportional to 3,821,956.71, 5,732,935.05 and 1,393,292.09 is: 2,089,938.13
Step by Step Solution
- Step 1: Write the proportion equation
3,821,956.71 : 5,732,935.05 = 1,393,292.09 : x - Step 2: Convert to fraction form
3,821,956.71/5,732,935.05 = 1,393,292.09/x - Step 3: Cross multiply
3,821,956.71x = 5,732,935.05 × 1,393,292.09 - Step 4: Simplify right side
3,821,956.71x = 7,987,653,057,648.76 - Step 5: Solve for x
x = 7,987,653,057,648.76/3,821,956.71 - Step 6: Final answer
x = 2,089,938.13
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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.