Finding the Fourth Proportional to 3,825,727.94, 5,279,700.03 and 2,171,990.99
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Solution
The fourth proportional to 3,825,727.94, 5,279,700.03 and 2,171,990.99 is: 2,997,458.54
Step by Step Solution
- Step 1: Write the proportion equation
3,825,727.94 : 5,279,700.03 = 2,171,990.99 : x - Step 2: Convert to fraction form
3,825,727.94/5,279,700.03 = 2,171,990.99/x - Step 3: Cross multiply
3,825,727.94x = 5,279,700.03 × 2,171,990.99 - Step 4: Simplify right side
3,825,727.94x = 11,467,460,895,062.73 - Step 5: Solve for x
x = 11,467,460,895,062.73/3,825,727.94 - Step 6: Final answer
x = 2,997,458.54
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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.