Finding the Fourth Proportional to 5,437,861.56, 7,504,099.29 and 2,990,472.60
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Solution
The fourth proportional to 5,437,861.56, 7,504,099.29 and 2,990,472.60 is: 4,126,769.88
Step by Step Solution
- Step 1: Write the proportion equation
5,437,861.56 : 7,504,099.29 = 2,990,472.60 : x - Step 2: Convert to fraction form
5,437,861.56/7,504,099.29 = 2,990,472.60/x - Step 3: Cross multiply
5,437,861.56x = 7,504,099.29 × 2,990,472.60 - Step 4: Simplify right side
5,437,861.56x = 22,440,803,314,424.45 - Step 5: Solve for x
x = 22,440,803,314,424.45/5,437,861.56 - Step 6: Final answer
x = 4,126,769.88
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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.