Finding the Fourth Proportional to 2,957,206.40, 4,080,969.28 and 1,632,672.80
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Solution
The fourth proportional to 2,957,206.40, 4,080,969.28 and 1,632,672.80 is: 2,253,101.96
Step by Step Solution
- Step 1: Write the proportion equation
2,957,206.40 : 4,080,969.28 = 1,632,672.80 : x - Step 2: Convert to fraction form
2,957,206.40/4,080,969.28 = 1,632,672.80/x - Step 3: Cross multiply
2,957,206.40x = 4,080,969.28 × 1,632,672.80 - Step 4: Simplify right side
2,957,206.40x = 6,662,887,541,091.58 - Step 5: Solve for x
x = 6,662,887,541,091.58/2,957,206.40 - Step 6: Final answer
x = 2,253,101.96
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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.