Finding the Fourth Proportional to 1,491,539.24, 2,058,327.62 and 812,461.16
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Solution
The fourth proportional to 1,491,539.24, 2,058,327.62 and 812,461.16 is: 1,121,198.29
Step by Step Solution
- Step 1: Write the proportion equation
1,491,539.24 : 2,058,327.62 = 812,461.16 : x - Step 2: Convert to fraction form
1,491,539.24/2,058,327.62 = 812,461.16/x - Step 3: Cross multiply
1,491,539.24x = 2,058,327.62 × 812,461.16 - Step 4: Simplify right side
1,491,539.24x = 1,672,311,245,805.24 - Step 5: Solve for x
x = 1,672,311,245,805.24/1,491,539.24 - Step 6: Final answer
x = 1,121,198.29
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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.