Finding the Fourth Proportional to 3,366,992.07, 4,645,939.28 and 1,896,690.42
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Solution
The fourth proportional to 3,366,992.07, 4,645,939.28 and 1,896,690.42 is: 2,617,145.61
Step by Step Solution
- Step 1: Write the proportion equation
3,366,992.07 : 4,645,939.28 = 1,896,690.42 : x - Step 2: Convert to fraction form
3,366,992.07/4,645,939.28 = 1,896,690.42/x - Step 3: Cross multiply
3,366,992.07x = 4,645,939.28 × 1,896,690.42 - Step 4: Simplify right side
3,366,992.07x = 8,811,908,514,794.25 - Step 5: Solve for x
x = 8,811,908,514,794.25/3,366,992.07 - Step 6: Final answer
x = 2,617,145.61
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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.