Finding the Fourth Proportional to 3,906,958.22, 5,862,435.70 and 1,859,931.68
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Solution
The fourth proportional to 3,906,958.22, 5,862,435.70 and 1,859,931.68 is: 2,790,848.86
Step by Step Solution
- Step 1: Write the proportion equation
3,906,958.22 : 5,862,435.70 = 1,859,931.68 : x - Step 2: Convert to fraction form
3,906,958.22/5,862,435.70 = 1,859,931.68/x - Step 3: Cross multiply
3,906,958.22x = 5,862,435.70 × 1,859,931.68 - Step 4: Simplify right side
3,906,958.22x = 10,903,729,890,399.24 - Step 5: Solve for x
x = 10,903,729,890,399.24/3,906,958.22 - Step 6: Final answer
x = 2,790,848.86
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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.