Finding the Fourth Proportional to 3,988,946.48, 5,981,320.20 and 2,727,134.96
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Solution
The fourth proportional to 3,988,946.48, 5,981,320.20 and 2,727,134.96 is: 4,089,267.05
Step by Step Solution
- Step 1: Write the proportion equation
3,988,946.48 : 5,981,320.20 = 2,727,134.96 : x - Step 2: Convert to fraction form
3,988,946.48/5,981,320.20 = 2,727,134.96/x - Step 3: Cross multiply
3,988,946.48x = 5,981,320.20 × 2,727,134.96 - Step 4: Simplify right side
3,988,946.48x = 16,311,867,424,374.19 - Step 5: Solve for x
x = 16,311,867,424,374.19/3,988,946.48 - Step 6: Final answer
x = 4,089,267.05
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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.