Finding the Fourth Proportional to 2,996,564.69, 4,135,470.38 and 1,689,933.65
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Solution
The fourth proportional to 2,996,564.69, 4,135,470.38 and 1,689,933.65 is: 2,332,227.49
Step by Step Solution
- Step 1: Write the proportion equation
2,996,564.69 : 4,135,470.38 = 1,689,933.65 : x - Step 2: Convert to fraction form
2,996,564.69/4,135,470.38 = 1,689,933.65/x - Step 3: Cross multiply
2,996,564.69x = 4,135,470.38 × 1,689,933.65 - Step 4: Simplify right side
2,996,564.69x = 6,988,670,524,613.27 - Step 5: Solve for x
x = 6,988,670,524,613.27/2,996,564.69 - Step 6: Final answer
x = 2,332,227.49
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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.