Finding the Fourth Proportional to 4,221,688.68, 5,826,221.94 and 2,568,480.84
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Solution
The fourth proportional to 4,221,688.68, 5,826,221.94 and 2,568,480.84 is: 3,544,680.95
Step by Step Solution
- Step 1: Write the proportion equation
4,221,688.68 : 5,826,221.94 = 2,568,480.84 : x - Step 2: Convert to fraction form
4,221,688.68/5,826,221.94 = 2,568,480.84/x - Step 3: Cross multiply
4,221,688.68x = 5,826,221.94 × 2,568,480.84 - Step 4: Simplify right side
4,221,688.68x = 14,964,539,422,477.63 - Step 5: Solve for x
x = 14,964,539,422,477.63/4,221,688.68 - Step 6: Final answer
x = 3,544,680.95
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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.