Finding the Fourth Proportional to 5,324,562.86, 7,347,896.58 and 2,877,173.86
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Solution
The fourth proportional to 5,324,562.86, 7,347,896.58 and 2,877,173.86 is: 3,970,499.84
Step by Step Solution
- Step 1: Write the proportion equation
5,324,562.86 : 7,347,896.58 = 2,877,173.86 : x - Step 2: Convert to fraction form
5,324,562.86/7,347,896.58 = 2,877,173.86/x - Step 3: Cross multiply
5,324,562.86x = 7,347,896.58 × 2,877,173.86 - Step 4: Simplify right side
5,324,562.86x = 21,141,175,965,959.40 - Step 5: Solve for x
x = 21,141,175,965,959.40/5,324,562.86 - Step 6: Final answer
x = 3,970,499.84
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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.