Finding the Fourth Proportional to 4,221,686.68, 5,826,219.18 and 2,568,478.84
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Solution
The fourth proportional to 4,221,686.68, 5,826,219.18 and 2,568,478.84 is: 3,544,678.19
Step by Step Solution
- Step 1: Write the proportion equation
4,221,686.68 : 5,826,219.18 = 2,568,478.84 : x - Step 2: Convert to fraction form
4,221,686.68/5,826,219.18 = 2,568,478.84/x - Step 3: Cross multiply
4,221,686.68x = 5,826,219.18 × 2,568,478.84 - Step 4: Simplify right side
4,221,686.68x = 14,964,520,681,032.15 - Step 5: Solve for x
x = 14,964,520,681,032.15/4,221,686.68 - Step 6: Final answer
x = 3,544,678.19
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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.