Finding the Fourth Proportional to 4,477,424.85, 6,178,869.54 and 2,543,793.66
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Solution
The fourth proportional to 4,477,424.85, 6,178,869.54 and 2,543,793.66 is: 3,510,448.46
Step by Step Solution
- Step 1: Write the proportion equation
4,477,424.85 : 6,178,869.54 = 2,543,793.66 : x - Step 2: Convert to fraction form
4,477,424.85/6,178,869.54 = 2,543,793.66/x - Step 3: Cross multiply
4,477,424.85x = 6,178,869.54 × 2,543,793.66 - Step 4: Simplify right side
4,477,424.85x = 15,717,769,161,819.12 - Step 5: Solve for x
x = 15,717,769,161,819.12/4,477,424.85 - Step 6: Final answer
x = 3,510,448.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.