Finding the Fourth Proportional to 5,771,951.22, 7,961,822.19 and 3,811,847.31
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Solution
The fourth proportional to 5,771,951.22, 7,961,822.19 and 3,811,847.31 is: 5,258,057.34
Step by Step Solution
- Step 1: Write the proportion equation
5,771,951.22 : 7,961,822.19 = 3,811,847.31 : x - Step 2: Convert to fraction form
5,771,951.22/7,961,822.19 = 3,811,847.31/x - Step 3: Cross multiply
5,771,951.22x = 7,961,822.19 × 3,811,847.31 - Step 4: Simplify right side
5,771,951.22x = 30,349,250,497,649.81 - Step 5: Solve for x
x = 30,349,250,497,649.81/5,771,951.22 - Step 6: Final answer
x = 5,258,057.34
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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.