Finding the Fourth Proportional to 6,821,585.56, 9,413,818.14 and 3,765,824.92
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Solution
The fourth proportional to 6,821,585.56, 9,413,818.14 and 3,765,824.92 is: 5,196,854.99
Step by Step Solution
- Step 1: Write the proportion equation
6,821,585.56 : 9,413,818.14 = 3,765,824.92 : x - Step 2: Convert to fraction form
6,821,585.56/9,413,818.14 = 3,765,824.92/x - Step 3: Cross multiply
6,821,585.56x = 9,413,818.14 × 3,765,824.92 - Step 4: Simplify right side
6,821,585.56x = 35,450,790,943,960.05 - Step 5: Solve for x
x = 35,450,790,943,960.05/6,821,585.56 - Step 6: Final answer
x = 5,196,854.99
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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.