Finding the Fourth Proportional to 3,198,176.56, 4,413,057.28 and 2,053,806.94
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Solution
The fourth proportional to 3,198,176.56, 4,413,057.28 and 2,053,806.94 is: 2,833,979.77
Step by Step Solution
- Step 1: Write the proportion equation
3,198,176.56 : 4,413,057.28 = 2,053,806.94 : x - Step 2: Convert to fraction form
3,198,176.56/4,413,057.28 = 2,053,806.94/x - Step 3: Cross multiply
3,198,176.56x = 4,413,057.28 × 2,053,806.94 - Step 4: Simplify right side
3,198,176.56x = 9,063,567,668,281.52 - Step 5: Solve for x
x = 9,063,567,668,281.52/3,198,176.56 - Step 6: Final answer
x = 2,833,979.77
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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.