Finding the Fourth Proportional to 1,941,704.20, 2,912,556.30 and 1,234,865.80
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Solution
The fourth proportional to 1,941,704.20, 2,912,556.30 and 1,234,865.80 is: 1,852,298.70
Step by Step Solution
- Step 1: Write the proportion equation
1,941,704.20 : 2,912,556.30 = 1,234,865.80 : x - Step 2: Convert to fraction form
1,941,704.20/2,912,556.30 = 1,234,865.80/x - Step 3: Cross multiply
1,941,704.20x = 2,912,556.30 × 1,234,865.80 - Step 4: Simplify right side
1,941,704.20x = 3,596,616,165,444.54 - Step 5: Solve for x
x = 3,596,616,165,444.54/1,941,704.20 - Step 6: Final answer
x = 1,852,298.70
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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.