Finding the Fourth Proportional to 5,157,668.10, 7,117,616.13 and 3,225,059.94
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Solution
The fourth proportional to 5,157,668.10, 7,117,616.13 and 3,225,059.94 is: 4,450,604.07
Step by Step Solution
- Step 1: Write the proportion equation
5,157,668.10 : 7,117,616.13 = 3,225,059.94 : x - Step 2: Convert to fraction form
5,157,668.10/7,117,616.13 = 3,225,059.94/x - Step 3: Cross multiply
5,157,668.10x = 7,117,616.13 × 3,225,059.94 - Step 4: Simplify right side
5,157,668.10x = 22,954,738,649,160.83 - Step 5: Solve for x
x = 22,954,738,649,160.83/5,157,668.10 - Step 6: Final answer
x = 4,450,604.07
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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.