Finding the Fourth Proportional to 5,193,295.43, 7,167,020.13 and 3,128,958.79
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Solution
The fourth proportional to 5,193,295.43, 7,167,020.13 and 3,128,958.79 is: 4,318,127.27
Step by Step Solution
- Step 1: Write the proportion equation
5,193,295.43 : 7,167,020.13 = 3,128,958.79 : x - Step 2: Convert to fraction form
5,193,295.43/7,167,020.13 = 3,128,958.79/x - Step 3: Cross multiply
5,193,295.43x = 7,167,020.13 × 3,128,958.79 - Step 4: Simplify right side
5,193,295.43x = 22,425,310,615,952.89 - Step 5: Solve for x
x = 22,425,310,615,952.89/5,193,295.43 - Step 6: Final answer
x = 4,318,127.27
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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.