Finding the Fourth Proportional to 2,694,966.20, 4,042,449.30 and 1,347,336.80
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Solution
The fourth proportional to 2,694,966.20, 4,042,449.30 and 1,347,336.80 is: 2,021,005.20
Step by Step Solution
- Step 1: Write the proportion equation
2,694,966.20 : 4,042,449.30 = 1,347,336.80 : x - Step 2: Convert to fraction form
2,694,966.20/4,042,449.30 = 1,347,336.80/x - Step 3: Cross multiply
2,694,966.20x = 4,042,449.30 × 1,347,336.80 - Step 4: Simplify right side
2,694,966.20x = 5,446,540,704,024.24 - Step 5: Solve for x
x = 5,446,540,704,024.24/2,694,966.20 - Step 6: Final answer
x = 2,021,005.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.