Finding the Fourth Proportional to 5,246,869.14, 7,874,789.76 and 2,054,237.31
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Solution
The fourth proportional to 5,246,869.14, 7,874,789.76 and 2,054,237.31 is: 3,083,112.33
Step by Step Solution
- Step 1: Write the proportion equation
5,246,869.14 : 7,874,789.76 = 2,054,237.31 : x - Step 2: Convert to fraction form
5,246,869.14/7,874,789.76 = 2,054,237.31/x - Step 3: Cross multiply
5,246,869.14x = 7,874,789.76 × 2,054,237.31 - Step 4: Simplify right side
5,246,869.14x = 16,176,686,933,397.95 - Step 5: Solve for x
x = 16,176,686,933,397.95/5,246,869.14 - Step 6: Final answer
x = 3,083,112.33
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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.