Finding the Fourth Proportional to 1,675,921.41, 2,515,129.29 and 823,450.68
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Solution
The fourth proportional to 1,675,921.41, 2,515,129.29 and 823,450.68 is: 1,235,788.81
Step by Step Solution
- Step 1: Write the proportion equation
1,675,921.41 : 2,515,129.29 = 823,450.68 : x - Step 2: Convert to fraction form
1,675,921.41/2,515,129.29 = 823,450.68/x - Step 3: Cross multiply
1,675,921.41x = 2,515,129.29 × 823,450.68 - Step 4: Simplify right side
1,675,921.41x = 2,071,084,924,138.42 - Step 5: Solve for x
x = 2,071,084,924,138.42/1,675,921.41 - Step 6: Final answer
x = 1,235,788.81
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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.