Finding the Fourth Proportional to 3,275,867.62, 4,520,701.61 and 1,825,531.21
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Solution
The fourth proportional to 3,275,867.62, 4,520,701.61 and 1,825,531.21 is: 2,519,235.46
Step by Step Solution
- Step 1: Write the proportion equation
3,275,867.62 : 4,520,701.61 = 1,825,531.21 : x - Step 2: Convert to fraction form
3,275,867.62/4,520,701.61 = 1,825,531.21/x - Step 3: Cross multiply
3,275,867.62x = 4,520,701.61 × 1,825,531.21 - Step 4: Simplify right side
3,275,867.62x = 8,252,681,880,152.25 - Step 5: Solve for x
x = 8,252,681,880,152.25/3,275,867.62 - Step 6: Final answer
x = 2,519,235.46
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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.