Finding the Fourth Proportional to 4,874,912.52, 6,727,296.72 and 2,699,409.12
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Solution
The fourth proportional to 4,874,912.52, 6,727,296.72 and 2,699,409.12 is: 3,725,138.87
Step by Step Solution
- Step 1: Write the proportion equation
4,874,912.52 : 6,727,296.72 = 2,699,409.12 : x - Step 2: Convert to fraction form
4,874,912.52/6,727,296.72 = 2,699,409.12/x - Step 3: Cross multiply
4,874,912.52x = 6,727,296.72 × 2,699,409.12 - Step 4: Simplify right side
4,874,912.52x = 18,159,726,118,914.09 - Step 5: Solve for x
x = 18,159,726,118,914.09/4,874,912.52 - Step 6: Final answer
x = 3,725,138.87
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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.