Finding the Fourth Proportional to 1,542,015.51, 2,128,234.14 and 1,058,183.07
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Solution
The fourth proportional to 1,542,015.51, 2,128,234.14 and 1,058,183.07 is: 1,460,466.07
Step by Step Solution
- Step 1: Write the proportion equation
1,542,015.51 : 2,128,234.14 = 1,058,183.07 : x - Step 2: Convert to fraction form
1,542,015.51/2,128,234.14 = 1,058,183.07/x - Step 3: Cross multiply
1,542,015.51x = 2,128,234.14 × 1,058,183.07 - Step 4: Simplify right side
1,542,015.51x = 2,252,061,335,944.01 - Step 5: Solve for x
x = 2,252,061,335,944.01/1,542,015.51 - Step 6: Final answer
x = 1,460,466.07
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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.