Finding the Fourth Proportional to 2,916,809.40, 4,375,185.30 and 922,265.40
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Solution
The fourth proportional to 2,916,809.40, 4,375,185.30 and 922,265.40 is: 1,383,388.99
Step by Step Solution
- Step 1: Write the proportion equation
2,916,809.40 : 4,375,185.30 = 922,265.40 : x - Step 2: Convert to fraction form
2,916,809.40/4,375,185.30 = 922,265.40/x - Step 3: Cross multiply
2,916,809.40x = 4,375,185.30 × 922,265.40 - Step 4: Simplify right side
2,916,809.40x = 4,035,082,020,778.62 - Step 5: Solve for x
x = 4,035,082,020,778.62/2,916,809.40 - Step 6: Final answer
x = 1,383,388.99
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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.