Finding the Fourth Proportional to 2,809,615.80, 4,212,716.88 and 1,101,712.80
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Solution
The fourth proportional to 2,809,615.80, 4,212,716.88 and 1,101,712.80 is: 1,651,899.92
Step by Step Solution
- Step 1: Write the proportion equation
2,809,615.80 : 4,212,716.88 = 1,101,712.80 : x - Step 2: Convert to fraction form
2,809,615.80/4,212,716.88 = 1,101,712.80/x - Step 3: Cross multiply
2,809,615.80x = 4,212,716.88 × 1,101,712.80 - Step 4: Simplify right side
2,809,615.80x = 4,641,204,109,472.06 - Step 5: Solve for x
x = 4,641,204,109,472.06/2,809,615.80 - Step 6: Final answer
x = 1,651,899.92
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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.