Finding the Fourth Proportional to 1,613,286.74, 2,419,913.63 and 415,204.40
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Solution
The fourth proportional to 1,613,286.74, 2,419,913.63 and 415,204.40 is: 622,802.35
Step by Step Solution
- Step 1: Write the proportion equation
1,613,286.74 : 2,419,913.63 = 415,204.40 : x - Step 2: Convert to fraction form
1,613,286.74/2,419,913.63 = 415,204.40/x - Step 3: Cross multiply
1,613,286.74x = 2,419,913.63 × 415,204.40 - Step 4: Simplify right side
1,613,286.74x = 1,004,758,772,620.38 - Step 5: Solve for x
x = 1,004,758,772,620.38/1,613,286.74 - Step 6: Final answer
x = 622,802.35
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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.