Finding the Fourth Proportional to 5,324,652.70, 7,986,979.05 and 4,474,347.10
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Solution
The fourth proportional to 5,324,652.70, 7,986,979.05 and 4,474,347.10 is: 6,711,520.65
Step by Step Solution
- Step 1: Write the proportion equation
5,324,652.70 : 7,986,979.05 = 4,474,347.10 : x - Step 2: Convert to fraction form
5,324,652.70/7,986,979.05 = 4,474,347.10/x - Step 3: Cross multiply
5,324,652.70x = 7,986,979.05 × 4,474,347.10 - Step 4: Simplify right side
5,324,652.70x = 35,736,516,550,128.25 - Step 5: Solve for x
x = 35,736,516,550,128.25/5,324,652.70 - Step 6: Final answer
x = 6,711,520.65
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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.