Finding the Fourth Proportional to 3,644,391.10, 5,471,511.45 and 2,129,626.30
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Solution
The fourth proportional to 3,644,391.10, 5,471,511.45 and 2,129,626.30 is: 3,197,317.29
Step by Step Solution
- Step 1: Write the proportion equation
3,644,391.10 : 5,471,511.45 = 2,129,626.30 : x - Step 2: Convert to fraction form
3,644,391.10/5,471,511.45 = 2,129,626.30/x - Step 3: Cross multiply
3,644,391.10x = 5,471,511.45 × 2,129,626.30 - Step 4: Simplify right side
3,644,391.10x = 11,652,274,684,671.13 - Step 5: Solve for x
x = 11,652,274,684,671.13/3,644,391.10 - Step 6: Final answer
x = 3,197,317.29
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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.