Finding the Fourth Proportional to 5,725,518.88, 7,901,169.48 and 3,147,172.24
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Solution
The fourth proportional to 5,725,518.88, 7,901,169.48 and 3,147,172.24 is: 4,343,072.09
Step by Step Solution
- Step 1: Write the proportion equation
5,725,518.88 : 7,901,169.48 = 3,147,172.24 : x - Step 2: Convert to fraction form
5,725,518.88/7,901,169.48 = 3,147,172.24/x - Step 3: Cross multiply
5,725,518.88x = 7,901,169.48 × 3,147,172.24 - Step 4: Simplify right side
5,725,518.88x = 24,866,341,250,991.24 - Step 5: Solve for x
x = 24,866,341,250,991.24/5,725,518.88 - Step 6: Final answer
x = 4,343,072.09
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1.5x scale
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.