Finding the Fourth Proportional to 4,661,155.05, 6,432,717.23 and 2,825,690.68
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Solution
The fourth proportional to 4,661,155.05, 6,432,717.23 and 2,825,690.68 is: 3,899,649.11
Step by Step Solution
- Step 1: Write the proportion equation
4,661,155.05 : 6,432,717.23 = 2,825,690.68 : x - Step 2: Convert to fraction form
4,661,155.05/6,432,717.23 = 2,825,690.68/x - Step 3: Cross multiply
4,661,155.05x = 6,432,717.23 × 2,825,690.68 - Step 4: Simplify right side
4,661,155.05x = 18,176,869,123,886.42 - Step 5: Solve for x
x = 18,176,869,123,886.42/4,661,155.05 - Step 6: Final answer
x = 3,899,649.11
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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.