Finding the Fourth Proportional to 3,049,020.54, 4,207,619.70 and 1,672,336.08
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Solution
The fourth proportional to 3,049,020.54, 4,207,619.70 and 1,672,336.08 is: 2,307,808.08
Step by Step Solution
- Step 1: Write the proportion equation
3,049,020.54 : 4,207,619.70 = 1,672,336.08 : x - Step 2: Convert to fraction form
3,049,020.54/4,207,619.70 = 1,672,336.08/x - Step 3: Cross multiply
3,049,020.54x = 4,207,619.70 × 1,672,336.08 - Step 4: Simplify right side
3,049,020.54x = 7,036,554,235,228.78 - Step 5: Solve for x
x = 7,036,554,235,228.78/3,049,020.54 - Step 6: Final answer
x = 2,307,808.08
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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.