Finding the Fourth Proportional to 3,258,437.76, 4,887,757.37 and 1,639,272.50
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Solution
The fourth proportional to 3,258,437.76, 4,887,757.37 and 1,639,272.50 is: 2,458,959.42
Step by Step Solution
- Step 1: Write the proportion equation
3,258,437.76 : 4,887,757.37 = 1,639,272.50 : x - Step 2: Convert to fraction form
3,258,437.76/4,887,757.37 = 1,639,272.50/x - Step 3: Cross multiply
3,258,437.76x = 4,887,757.37 × 1,639,272.50 - Step 4: Simplify right side
3,258,437.76x = 8,012,366,210,678.18 - Step 5: Solve for x
x = 8,012,366,210,678.18/3,258,437.76 - Step 6: Final answer
x = 2,458,959.42
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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.