Finding the Fourth Proportional to 2,790,612.24, 3,850,581.64 and 1,644,537.04
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Solution
The fourth proportional to 2,790,612.24, 3,850,581.64 and 1,644,537.04 is: 2,269,188.12
Step by Step Solution
- Step 1: Write the proportion equation
2,790,612.24 : 3,850,581.64 = 1,644,537.04 : x - Step 2: Convert to fraction form
2,790,612.24/3,850,581.64 = 1,644,537.04/x - Step 3: Cross multiply
2,790,612.24x = 3,850,581.64 × 1,644,537.04 - Step 4: Simplify right side
2,790,612.24x = 6,332,424,132,523.95 - Step 5: Solve for x
x = 6,332,424,132,523.95/2,790,612.24 - Step 6: Final answer
x = 2,269,188.12
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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.