Finding the Fourth Proportional to 1,613,163.09, 2,226,244.97 and 888,003.10
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Solution
The fourth proportional to 1,613,163.09, 2,226,244.97 and 888,003.10 is: 1,225,488.26
Step by Step Solution
- Step 1: Write the proportion equation
1,613,163.09 : 2,226,244.97 = 888,003.10 : x - Step 2: Convert to fraction form
1,613,163.09/2,226,244.97 = 888,003.10/x - Step 3: Cross multiply
1,613,163.09x = 2,226,244.97 × 888,003.10 - Step 4: Simplify right side
1,613,163.09x = 1,976,912,439,722.22 - Step 5: Solve for x
x = 1,976,912,439,722.22/1,613,163.09 - Step 6: Final answer
x = 1,225,488.26
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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.