Finding the Fourth Proportional to 1,690,311.62, 2,332,371.97 and 954,997.57
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Solution
The fourth proportional to 1,690,311.62, 2,332,371.97 and 954,997.57 is: 1,317,750.84
Step by Step Solution
- Step 1: Write the proportion equation
1,690,311.62 : 2,332,371.97 = 954,997.57 : x - Step 2: Convert to fraction form
1,690,311.62/2,332,371.97 = 954,997.57/x - Step 3: Cross multiply
1,690,311.62x = 2,332,371.97 × 954,997.57 - Step 4: Simplify right side
1,690,311.62x = 2,227,409,563,686.11 - Step 5: Solve for x
x = 2,227,409,563,686.11/1,690,311.62 - Step 6: Final answer
x = 1,317,750.84
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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.