Finding the Fourth Proportional to 3,720,717.99, 5,134,644.68 and 2,089,478.43
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Solution
The fourth proportional to 3,720,717.99, 5,134,644.68 and 2,089,478.43 is: 2,883,510.47
Step by Step Solution
- Step 1: Write the proportion equation
3,720,717.99 : 5,134,644.68 = 2,089,478.43 : x - Step 2: Convert to fraction form
3,720,717.99/5,134,644.68 = 2,089,478.43/x - Step 3: Cross multiply
3,720,717.99x = 5,134,644.68 × 2,089,478.43 - Step 4: Simplify right side
3,720,717.99x = 10,728,729,294,126.86 - Step 5: Solve for x
x = 10,728,729,294,126.86/3,720,717.99 - Step 6: Final answer
x = 2,883,510.47
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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.