Finding the Fourth Proportional to 2,160,366.48, 2,981,480.04 and 1,193,581.20
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Solution
The fourth proportional to 2,160,366.48, 2,981,480.04 and 1,193,581.20 is: 1,647,238.35
Step by Step Solution
- Step 1: Write the proportion equation
2,160,366.48 : 2,981,480.04 = 1,193,581.20 : x - Step 2: Convert to fraction form
2,160,366.48/2,981,480.04 = 1,193,581.20/x - Step 3: Cross multiply
2,160,366.48x = 2,981,480.04 × 1,193,581.20 - Step 4: Simplify right side
2,160,366.48x = 3,558,638,523,919.25 - Step 5: Solve for x
x = 3,558,638,523,919.25/2,160,366.48 - Step 6: Final answer
x = 1,647,238.35
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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.