Finding the Fourth Proportional to 3,950,674.41, 5,921,437.14 and 1,816,279.05
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Solution
The fourth proportional to 3,950,674.41, 5,921,437.14 and 1,816,279.05 is: 2,722,315.51
Step by Step Solution
- Step 1: Write the proportion equation
3,950,674.41 : 5,921,437.14 = 1,816,279.05 : x - Step 2: Convert to fraction form
3,950,674.41/5,921,437.14 = 1,816,279.05/x - Step 3: Cross multiply
3,950,674.41x = 5,921,437.14 × 1,816,279.05 - Step 4: Simplify right side
3,950,674.41x = 10,754,982,223,273.92 - Step 5: Solve for x
x = 10,754,982,223,273.92/3,950,674.41 - Step 6: Final answer
x = 2,722,315.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.