Finding the Fourth Proportional to 5,146,861.92, 7,720,652.52 and 2,114,380.68
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Solution
The fourth proportional to 5,146,861.92, 7,720,652.52 and 2,114,380.68 is: 3,171,718.76
Step by Step Solution
- Step 1: Write the proportion equation
5,146,861.92 : 7,720,652.52 = 2,114,380.68 : x - Step 2: Convert to fraction form
5,146,861.92/7,720,652.52 = 2,114,380.68/x - Step 3: Cross multiply
5,146,861.92x = 7,720,652.52 × 2,114,380.68 - Step 4: Simplify right side
5,146,861.92x = 16,324,398,525,281.31 - Step 5: Solve for x
x = 16,324,398,525,281.31/5,146,861.92 - Step 6: Final answer
x = 3,171,718.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.