Finding the Fourth Proportional to 2,175,998.40, 3,264,458.40 and 659,556.80
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Solution
The fourth proportional to 2,175,998.40, 3,264,458.40 and 659,556.80 is: 989,474.87
Step by Step Solution
- Step 1: Write the proportion equation
2,175,998.40 : 3,264,458.40 = 659,556.80 : x - Step 2: Convert to fraction form
2,175,998.40/3,264,458.40 = 659,556.80/x - Step 3: Cross multiply
2,175,998.40x = 3,264,458.40 × 659,556.80 - Step 4: Simplify right side
2,175,998.40x = 2,153,095,736,037.12 - Step 5: Solve for x
x = 2,153,095,736,037.12/2,175,998.40 - Step 6: Final answer
x = 989,474.87
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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.