Finding the Fourth Proportional to 3,669,995.67, 5,504,993.51 and 1,145,867.19
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Solution
The fourth proportional to 3,669,995.67, 5,504,993.51 and 1,145,867.19 is: 1,718,800.79
Step by Step Solution
- Step 1: Write the proportion equation
3,669,995.67 : 5,504,993.51 = 1,145,867.19 : x - Step 2: Convert to fraction form
3,669,995.67/5,504,993.51 = 1,145,867.19/x - Step 3: Cross multiply
3,669,995.67x = 5,504,993.51 × 1,145,867.19 - Step 4: Simplify right side
3,669,995.67x = 6,307,991,438,542.60 - Step 5: Solve for x
x = 6,307,991,438,542.60/3,669,995.67 - Step 6: Final answer
x = 1,718,800.79
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1.5x scale
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.