Finding the Fourth Proportional to 5,408,571.24, 8,113,939.47 and 1,996,878.60
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Solution
The fourth proportional to 5,408,571.24, 8,113,939.47 and 1,996,878.60 is: 2,995,717.61
Step by Step Solution
- Step 1: Write the proportion equation
5,408,571.24 : 8,113,939.47 = 1,996,878.60 : x - Step 2: Convert to fraction form
5,408,571.24/8,113,939.47 = 1,996,878.60/x - Step 3: Cross multiply
5,408,571.24x = 8,113,939.47 × 1,996,878.60 - Step 4: Simplify right side
5,408,571.24x = 16,202,552,089,338.34 - Step 5: Solve for x
x = 16,202,552,089,338.34/5,408,571.24 - Step 6: Final answer
x = 2,995,717.61
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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.