Finding the Fourth Proportional to 1,372,138.44, 2,058,020.81 and 361,175.73
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Solution
The fourth proportional to 1,372,138.44, 2,058,020.81 and 361,175.73 is: 541,714.41
Step by Step Solution
- Step 1: Write the proportion equation
1,372,138.44 : 2,058,020.81 = 361,175.73 : x - Step 2: Convert to fraction form
1,372,138.44/2,058,020.81 = 361,175.73/x - Step 3: Cross multiply
1,372,138.44x = 2,058,020.81 × 361,175.73 - Step 4: Simplify right side
1,372,138.44x = 743,307,166,601.06 - Step 5: Solve for x
x = 743,307,166,601.06/1,372,138.44 - Step 6: Final answer
x = 541,714.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.