Finding the Fourth Proportional to 2,894,788.26, 3,995,286.12 and 1,606,043.70
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Solution
The fourth proportional to 2,894,788.26, 3,995,286.12 and 1,606,043.70 is: 2,216,605.68
Step by Step Solution
- Step 1: Write the proportion equation
2,894,788.26 : 3,995,286.12 = 1,606,043.70 : x - Step 2: Convert to fraction form
2,894,788.26/3,995,286.12 = 1,606,043.70/x - Step 3: Cross multiply
2,894,788.26x = 3,995,286.12 × 1,606,043.70 - Step 4: Simplify right side
2,894,788.26x = 6,416,604,102,723.44 - Step 5: Solve for x
x = 6,416,604,102,723.44/2,894,788.26 - Step 6: Final answer
x = 2,216,605.68
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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.