Finding the Fourth Proportional to 4,543,176.20, 6,814,764.30 and 3,858,207.80
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Solution
The fourth proportional to 4,543,176.20, 6,814,764.30 and 3,858,207.80 is: 5,787,311.70
Step by Step Solution
- Step 1: Write the proportion equation
4,543,176.20 : 6,814,764.30 = 3,858,207.80 : x - Step 2: Convert to fraction form
4,543,176.20/6,814,764.30 = 3,858,207.80/x - Step 3: Cross multiply
4,543,176.20x = 6,814,764.30 × 3,858,207.80 - Step 4: Simplify right side
4,543,176.20x = 26,292,776,777,421.54 - Step 5: Solve for x
x = 26,292,776,777,421.54/4,543,176.20 - Step 6: Final answer
x = 5,787,311.70
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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.