Finding the Fourth Proportional to 1,409,215.92, 2,114,087.22 and 640,770.07
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Solution
The fourth proportional to 1,409,215.92, 2,114,087.22 and 640,770.07 is: 961,274.84
Step by Step Solution
- Step 1: Write the proportion equation
1,409,215.92 : 2,114,087.22 = 640,770.07 : x - Step 2: Convert to fraction form
1,409,215.92/2,114,087.22 = 640,770.07/x - Step 3: Cross multiply
1,409,215.92x = 2,114,087.22 × 640,770.07 - Step 4: Simplify right side
1,409,215.92x = 1,354,643,810,660.29 - Step 5: Solve for x
x = 1,354,643,810,660.29/1,409,215.92 - Step 6: Final answer
x = 961,274.84
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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.