Finding the Fourth Proportional to 2,585,917.91, 3,568,566.70 and 1,498,820.05
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Solution
The fourth proportional to 2,585,917.91, 3,568,566.70 and 1,498,820.05 is: 2,068,371.66
Step by Step Solution
- Step 1: Write the proportion equation
2,585,917.91 : 3,568,566.70 = 1,498,820.05 : x - Step 2: Convert to fraction form
2,585,917.91/3,568,566.70 = 1,498,820.05/x - Step 3: Cross multiply
2,585,917.91x = 3,568,566.70 × 1,498,820.05 - Step 4: Simplify right side
2,585,917.91x = 5,348,639,330,272 - Step 5: Solve for x
x = 5,348,639,330,272/2,585,917.91 - Step 6: Final answer
x = 2,068,371.66
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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.