Finding the Fourth Proportional to 2,127,236.88, 2,935,627.92 and 1,160,402.64
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Solution
The fourth proportional to 2,127,236.88, 2,935,627.92 and 1,160,402.64 is: 1,601,378.02
Step by Step Solution
- Step 1: Write the proportion equation
2,127,236.88 : 2,935,627.92 = 1,160,402.64 : x - Step 2: Convert to fraction form
2,127,236.88/2,935,627.92 = 1,160,402.64/x - Step 3: Cross multiply
2,127,236.88x = 2,935,627.92 × 1,160,402.64 - Step 4: Simplify right side
2,127,236.88x = 3,406,510,388,425.71 - Step 5: Solve for x
x = 3,406,510,388,425.71/2,127,236.88 - Step 6: Final answer
x = 1,601,378.02
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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.