Finding the Fourth Proportional to 4,238,773.68, 5,849,661.28 and 2,428,287.60
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Solution
The fourth proportional to 4,238,773.68, 5,849,661.28 and 2,428,287.60 is: 3,351,124.88
Step by Step Solution
- Step 1: Write the proportion equation
4,238,773.68 : 5,849,661.28 = 2,428,287.60 : x - Step 2: Convert to fraction form
4,238,773.68/5,849,661.28 = 2,428,287.60/x - Step 3: Cross multiply
4,238,773.68x = 5,849,661.28 × 2,428,287.60 - Step 4: Simplify right side
4,238,773.68x = 14,204,659,950,424.13 - Step 5: Solve for x
x = 14,204,659,950,424.13/4,238,773.68 - Step 6: Final answer
x = 3,351,124.88
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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.