Finding the Fourth Proportional to 5,101,063.47, 7,039,148.58 and 2,809,224.18
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Solution
The fourth proportional to 5,101,063.47, 7,039,148.58 and 2,809,224.18 is: 3,876,553.69
Step by Step Solution
- Step 1: Write the proportion equation
5,101,063.47 : 7,039,148.58 = 2,809,224.18 : x - Step 2: Convert to fraction form
5,101,063.47/7,039,148.58 = 2,809,224.18/x - Step 3: Cross multiply
5,101,063.47x = 7,039,148.58 × 2,809,224.18 - Step 4: Simplify right side
5,101,063.47x = 19,774,546,397,548.66 - Step 5: Solve for x
x = 19,774,546,397,548.66/5,101,063.47 - Step 6: Final answer
x = 3,876,553.69
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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.