Finding the Fourth Proportional to 2,769,912.05, 4,156,330.93 and 1,965,494.41
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Solution
The fourth proportional to 2,769,912.05, 4,156,330.93 and 1,965,494.41 is: 2,949,279.65
Step by Step Solution
- Step 1: Write the proportion equation
2,769,912.05 : 4,156,330.93 = 1,965,494.41 : x - Step 2: Convert to fraction form
2,769,912.05/4,156,330.93 = 1,965,494.41/x - Step 3: Cross multiply
2,769,912.05x = 4,156,330.93 × 1,965,494.41 - Step 4: Simplify right side
2,769,912.05x = 8,169,245,217,099.90 - Step 5: Solve for x
x = 8,169,245,217,099.90/2,769,912.05 - Step 6: Final answer
x = 2,949,279.65
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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.