Finding the Fourth Proportional to 3,747,743.98, 5,171,888.42 and 2,028,864.49
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Solution
The fourth proportional to 3,747,743.98, 5,171,888.42 and 2,028,864.49 is: 2,799,833.93
Step by Step Solution
- Step 1: Write the proportion equation
3,747,743.98 : 5,171,888.42 = 2,028,864.49 : x - Step 2: Convert to fraction form
3,747,743.98/5,171,888.42 = 2,028,864.49/x - Step 3: Cross multiply
3,747,743.98x = 5,171,888.42 × 2,028,864.49 - Step 4: Simplify right side
3,747,743.98x = 10,493,060,761,580.21 - Step 5: Solve for x
x = 10,493,060,761,580.21/3,747,743.98 - Step 6: Final answer
x = 2,799,833.93
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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.