Finding the Fourth Proportional to 2,261,695.76, 3,121,164.24 and 1,229,203.52
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Solution
The fourth proportional to 2,261,695.76, 3,121,164.24 and 1,229,203.52 is: 1,696,313.95
Step by Step Solution
- Step 1: Write the proportion equation
2,261,695.76 : 3,121,164.24 = 1,229,203.52 : x - Step 2: Convert to fraction form
2,261,695.76/3,121,164.24 = 1,229,203.52/x - Step 3: Cross multiply
2,261,695.76x = 3,121,164.24 × 1,229,203.52 - Step 4: Simplify right side
2,261,695.76x = 3,836,546,070,306.13 - Step 5: Solve for x
x = 3,836,546,070,306.13/2,261,695.76 - Step 6: Final answer
x = 1,696,313.95
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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.