Finding the Fourth Proportional to 2,370,639.16, 3,271,481.94 and 1,282,910.68
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Solution
The fourth proportional to 2,370,639.16, 3,271,481.94 and 1,282,910.68 is: 1,770,416.68
Step by Step Solution
- Step 1: Write the proportion equation
2,370,639.16 : 3,271,481.94 = 1,282,910.68 : x - Step 2: Convert to fraction form
2,370,639.16/3,271,481.94 = 1,282,910.68/x - Step 3: Cross multiply
2,370,639.16x = 3,271,481.94 × 1,282,910.68 - Step 4: Simplify right side
2,370,639.16x = 4,197,019,120,253.12 - Step 5: Solve for x
x = 4,197,019,120,253.12/2,370,639.16 - Step 6: Final answer
x = 1,770,416.68
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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.