Finding the Fourth Proportional to 1,689,504.26, 2,534,264.88 and 427,333.10
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Solution
The fourth proportional to 1,689,504.26, 2,534,264.88 and 427,333.10 is: 641,001.80
Step by Step Solution
- Step 1: Write the proportion equation
1,689,504.26 : 2,534,264.88 = 427,333.10 : x - Step 2: Convert to fraction form
1,689,504.26/2,534,264.88 = 427,333.10/x - Step 3: Cross multiply
1,689,504.26x = 2,534,264.88 × 427,333.10 - Step 4: Simplify right side
1,689,504.26x = 1,082,975,267,391.53 - Step 5: Solve for x
x = 1,082,975,267,391.53/1,689,504.26 - Step 6: Final answer
x = 641,001.80
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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.