Finding the Fourth Proportional to 2,590,854.71, 3,889,649.68 and 1,992,236.22
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Solution
The fourth proportional to 2,590,854.71, 3,889,649.68 and 1,992,236.22 is: 2,990,943.86
Step by Step Solution
- Step 1: Write the proportion equation
2,590,854.71 : 3,889,649.68 = 1,992,236.22 : x - Step 2: Convert to fraction form
2,590,854.71/3,889,649.68 = 1,992,236.22/x - Step 3: Cross multiply
2,590,854.71x = 3,889,649.68 × 1,992,236.22 - Step 4: Simplify right side
2,590,854.71x = 7,749,100,970,626.82 - Step 5: Solve for x
x = 7,749,100,970,626.82/2,590,854.71 - Step 6: Final answer
x = 2,990,943.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.