Finding the Fourth Proportional to 2,262,026.76, 3,121,571.70 and 1,229,512.20
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Solution
The fourth proportional to 2,262,026.76, 3,121,571.70 and 1,229,512.20 is: 1,696,713.12
Step by Step Solution
- Step 1: Write the proportion equation
2,262,026.76 : 3,121,571.70 = 1,229,512.20 : x - Step 2: Convert to fraction form
2,262,026.76/3,121,571.70 = 1,229,512.20/x - Step 3: Cross multiply
2,262,026.76x = 3,121,571.70 × 1,229,512.20 - Step 4: Simplify right side
2,262,026.76x = 3,838,010,488,324.74 - Step 5: Solve for x
x = 3,838,010,488,324.74/2,262,026.76 - Step 6: Final answer
x = 1,696,713.12
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1.5x scale
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.