Finding the Fourth Proportional to 5,229,769.24, 7,217,266.56 and 2,906,708.08
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Solution
The fourth proportional to 5,229,769.24, 7,217,266.56 and 2,906,708.08 is: 4,011,359.98
Step by Step Solution
- Step 1: Write the proportion equation
5,229,769.24 : 7,217,266.56 = 2,906,708.08 : x - Step 2: Convert to fraction form
5,229,769.24/7,217,266.56 = 2,906,708.08/x - Step 3: Cross multiply
5,229,769.24x = 7,217,266.56 × 2,906,708.08 - Step 4: Simplify right side
5,229,769.24x = 20,978,487,025,465.80 - Step 5: Solve for x
x = 20,978,487,025,465.80/5,229,769.24 - Step 6: Final answer
x = 4,011,359.98
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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.