Finding the Fourth Proportional to 1,624,609.92, 2,242,197.12 and 936,147.84
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Solution
The fourth proportional to 1,624,609.92, 2,242,197.12 and 936,147.84 is: 1,292,019.68
Step by Step Solution
- Step 1: Write the proportion equation
1,624,609.92 : 2,242,197.12 = 936,147.84 : x - Step 2: Convert to fraction form
1,624,609.92/2,242,197.12 = 936,147.84/x - Step 3: Cross multiply
1,624,609.92x = 2,242,197.12 × 936,147.84 - Step 4: Simplify right side
1,624,609.92x = 2,099,027,990,742.22 - Step 5: Solve for x
x = 2,099,027,990,742.22/1,624,609.92 - Step 6: Final answer
x = 1,292,019.68
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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.