Finding the Fourth Proportional to 6,809,825.80, 10,214,738.70 and 3,450,593.80
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Solution
The fourth proportional to 6,809,825.80, 10,214,738.70 and 3,450,593.80 is: 5,175,890.70
Step by Step Solution
- Step 1: Write the proportion equation
6,809,825.80 : 10,214,738.70 = 3,450,593.80 : x - Step 2: Convert to fraction form
6,809,825.80/10,214,738.70 = 3,450,593.80/x - Step 3: Cross multiply
6,809,825.80x = 10,214,738.70 × 3,450,593.80 - Step 4: Simplify right side
6,809,825.80x = 35,246,914,026,840.05 - Step 5: Solve for x
x = 35,246,914,026,840.05/6,809,825.80 - Step 6: Final answer
x = 5,175,890.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.