Finding the Fourth Proportional to 2,827,033.92, 3,901,408.74 and 1,620,043.20
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Solution
The fourth proportional to 2,827,033.92, 3,901,408.74 and 1,620,043.20 is: 2,235,718.03
Step by Step Solution
- Step 1: Write the proportion equation
2,827,033.92 : 3,901,408.74 = 1,620,043.20 : x - Step 2: Convert to fraction form
2,827,033.92/3,901,408.74 = 1,620,043.20/x - Step 3: Cross multiply
2,827,033.92x = 3,901,408.74 × 1,620,043.20 - Step 4: Simplify right side
2,827,033.92x = 6,320,450,699,657.57 - Step 5: Solve for x
x = 6,320,450,699,657.57/2,827,033.92 - Step 6: Final answer
x = 2,235,718.03
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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.