Finding the Fourth Proportional to 3,875,819.24, 5,348,591.52 and 2,156,910.68
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Solution
The fourth proportional to 3,875,819.24, 5,348,591.52 and 2,156,910.68 is: 2,976,515.02
Step by Step Solution
- Step 1: Write the proportion equation
3,875,819.24 : 5,348,591.52 = 2,156,910.68 : x - Step 2: Convert to fraction form
3,875,819.24/5,348,591.52 = 2,156,910.68/x - Step 3: Cross multiply
3,875,819.24x = 5,348,591.52 × 2,156,910.68 - Step 4: Simplify right side
3,875,819.24x = 11,536,434,172,445.43 - Step 5: Solve for x
x = 11,536,434,172,445.43/3,875,819.24 - Step 6: Final answer
x = 2,976,515.02
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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.