Finding the Fourth Proportional to 1,589,302.23, 2,193,261.69 and 864,151.81
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Solution
The fourth proportional to 1,589,302.23, 2,193,261.69 and 864,151.81 is: 1,192,542.88
Step by Step Solution
- Step 1: Write the proportion equation
1,589,302.23 : 2,193,261.69 = 864,151.81 : x - Step 2: Convert to fraction form
1,589,302.23/2,193,261.69 = 864,151.81/x - Step 3: Cross multiply
1,589,302.23x = 2,193,261.69 × 864,151.81 - Step 4: Simplify right side
1,589,302.23x = 1,895,311,059,217.16 - Step 5: Solve for x
x = 1,895,311,059,217.16/1,589,302.23 - Step 6: Final answer
x = 1,192,542.88
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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.