Finding the Fourth Proportional to 3,613,173.75, 4,986,179.79 and 2,003,541.75
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Solution
The fourth proportional to 3,613,173.75, 4,986,179.79 and 2,003,541.75 is: 2,764,887.62
Step by Step Solution
- Step 1: Write the proportion equation
3,613,173.75 : 4,986,179.79 = 2,003,541.75 : x - Step 2: Convert to fraction form
3,613,173.75/4,986,179.79 = 2,003,541.75/x - Step 3: Cross multiply
3,613,173.75x = 4,986,179.79 × 2,003,541.75 - Step 4: Simplify right side
3,613,173.75x = 9,990,019,382,271.23 - Step 5: Solve for x
x = 9,990,019,382,271.23/3,613,173.75 - Step 6: Final answer
x = 2,764,887.62
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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.