Finding the Fourth Proportional to 3,647,543.19, 5,471,425.41 and 1,251,353.13
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Solution
The fourth proportional to 3,647,543.19, 5,471,425.41 and 1,251,353.13 is: 1,877,067.65
Step by Step Solution
- Step 1: Write the proportion equation
3,647,543.19 : 5,471,425.41 = 1,251,353.13 : x - Step 2: Convert to fraction form
3,647,543.19/5,471,425.41 = 1,251,353.13/x - Step 3: Cross multiply
3,647,543.19x = 5,471,425.41 × 1,251,353.13 - Step 4: Simplify right side
3,647,543.19x = 6,846,685,312,365.03 - Step 5: Solve for x
x = 6,846,685,312,365.03/3,647,543.19 - Step 6: Final answer
x = 1,877,067.65
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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.