Finding the Fourth Proportional to 3,237,134.80, 4,855,702.20 and 1,107,029.20
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Solution
The fourth proportional to 3,237,134.80, 4,855,702.20 and 1,107,029.20 is: 1,660,543.80
Step by Step Solution
- Step 1: Write the proportion equation
3,237,134.80 : 4,855,702.20 = 1,107,029.20 : x - Step 2: Convert to fraction form
3,237,134.80/4,855,702.20 = 1,107,029.20/x - Step 3: Cross multiply
3,237,134.80x = 4,855,702.20 × 1,107,029.20 - Step 4: Simplify right side
3,237,134.80x = 5,375,404,121,904.24 - Step 5: Solve for x
x = 5,375,404,121,904.24/3,237,134.80 - Step 6: Final answer
x = 1,660,543.80
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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.