Finding the Fourth Proportional to 4,740,836.63, 6,542,371.89 and 2,565,379.80
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Solution
The fourth proportional to 4,740,836.63, 6,542,371.89 and 2,565,379.80 is: 3,540,233.51
Step by Step Solution
- Step 1: Write the proportion equation
4,740,836.63 : 6,542,371.89 = 2,565,379.80 : x - Step 2: Convert to fraction form
4,740,836.63/6,542,371.89 = 2,565,379.80/x - Step 3: Cross multiply
4,740,836.63x = 6,542,371.89 × 2,565,379.80 - Step 4: Simplify right side
4,740,836.63x = 16,783,668,690,693.82 - Step 5: Solve for x
x = 16,783,668,690,693.82/4,740,836.63 - Step 6: Final answer
x = 3,540,233.51
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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.