Finding the Fourth Proportional to 4,198,474.80, 6,297,712.20 and 2,910,769.20
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Solution
The fourth proportional to 4,198,474.80, 6,297,712.20 and 2,910,769.20 is: 4,366,153.80
Step by Step Solution
- Step 1: Write the proportion equation
4,198,474.80 : 6,297,712.20 = 2,910,769.20 : x - Step 2: Convert to fraction form
4,198,474.80/6,297,712.20 = 2,910,769.20/x - Step 3: Cross multiply
4,198,474.80x = 6,297,712.20 × 2,910,769.20 - Step 4: Simplify right side
4,198,474.80x = 18,331,186,702,224.24 - Step 5: Solve for x
x = 18,331,186,702,224.24/4,198,474.80 - Step 6: Final answer
x = 4,366,153.80
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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.