Finding the Fourth Proportional to 5,700,917.16, 7,867,330.74 and 3,253,858.56
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Solution
The fourth proportional to 5,700,917.16, 7,867,330.74 and 3,253,858.56 is: 4,490,361.95
Step by Step Solution
- Step 1: Write the proportion equation
5,700,917.16 : 7,867,330.74 = 3,253,858.56 : x - Step 2: Convert to fraction form
5,700,917.16/7,867,330.74 = 3,253,858.56/x - Step 3: Cross multiply
5,700,917.16x = 7,867,330.74 × 3,253,858.56 - Step 4: Simplify right side
5,700,917.16x = 25,599,181,472,700.14 - Step 5: Solve for x
x = 25,599,181,472,700.14/5,700,917.16 - Step 6: Final answer
x = 4,490,361.95
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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.