Finding the Fourth Proportional to 2,568,968.12, 3,837,827.36 and 1,663,029.56
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Solution
The fourth proportional to 2,568,968.12, 3,837,827.36 and 1,663,029.56 is: 2,484,429.56
Step by Step Solution
- Step 1: Write the proportion equation
2,568,968.12 : 3,837,827.36 = 1,663,029.56 : x - Step 2: Convert to fraction form
2,568,968.12/3,837,827.36 = 1,663,029.56/x - Step 3: Cross multiply
2,568,968.12x = 3,837,827.36 × 1,663,029.56 - Step 4: Simplify right side
2,568,968.12x = 6,382,420,345,856.76 - Step 5: Solve for x
x = 6,382,420,345,856.76/2,568,968.12 - Step 6: Final answer
x = 2,484,429.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.