Finding the Fourth Proportional to 3,312,887.76, 4,571,757.99 and 2,089,982.97
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Solution
The fourth proportional to 3,312,887.76, 4,571,757.99 and 2,089,982.97 is: 2,884,159.39
Step by Step Solution
- Step 1: Write the proportion equation
3,312,887.76 : 4,571,757.99 = 2,089,982.97 : x - Step 2: Convert to fraction form
3,312,887.76/4,571,757.99 = 2,089,982.97/x - Step 3: Cross multiply
3,312,887.76x = 4,571,757.99 × 2,089,982.97 - Step 4: Simplify right side
3,312,887.76x = 9,554,896,342,061.43 - Step 5: Solve for x
x = 9,554,896,342,061.43/3,312,887.76 - Step 6: Final answer
x = 2,884,159.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.