Finding the Fourth Proportional to 2,481,031.08, 3,423,809.92 and 1,393,348.50
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Solution
The fourth proportional to 2,481,031.08, 3,423,809.92 and 1,393,348.50 is: 1,922,813.65
Step by Step Solution
- Step 1: Write the proportion equation
2,481,031.08 : 3,423,809.92 = 1,393,348.50 : x - Step 2: Convert to fraction form
2,481,031.08/3,423,809.92 = 1,393,348.50/x - Step 3: Cross multiply
2,481,031.08x = 3,423,809.92 × 1,393,348.50 - Step 4: Simplify right side
2,481,031.08x = 4,770,560,416,317.12 - Step 5: Solve for x
x = 4,770,560,416,317.12/2,481,031.08 - Step 6: Final answer
x = 1,922,813.65
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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.