Finding the Fourth Proportional to 4,407,763.50, 6,612,088.14 and 1,638,771.42
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Solution
The fourth proportional to 4,407,763.50, 6,612,088.14 and 1,638,771.42 is: 2,458,321.79
Step by Step Solution
- Step 1: Write the proportion equation
4,407,763.50 : 6,612,088.14 = 1,638,771.42 : x - Step 2: Convert to fraction form
4,407,763.50/6,612,088.14 = 1,638,771.42/x - Step 3: Cross multiply
4,407,763.50x = 6,612,088.14 × 1,638,771.42 - Step 4: Simplify right side
4,407,763.50x = 10,835,701,070,352.96 - Step 5: Solve for x
x = 10,835,701,070,352.96/4,407,763.50 - Step 6: Final answer
x = 2,458,321.79
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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.