Finding the Fourth Proportional to 5,315,873.62, 7,335,432.44 and 2,960,891.08
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Solution
The fourth proportional to 5,315,873.62, 7,335,432.44 and 2,960,891.08 is: 4,085,766.15
Step by Step Solution
- Step 1: Write the proportion equation
5,315,873.62 : 7,335,432.44 = 2,960,891.08 : x - Step 2: Convert to fraction form
5,315,873.62/7,335,432.44 = 2,960,891.08/x - Step 3: Cross multiply
5,315,873.62x = 7,335,432.44 × 2,960,891.08 - Step 4: Simplify right side
5,315,873.62x = 21,719,416,479,538.64 - Step 5: Solve for x
x = 21,719,416,479,538.64/5,315,873.62 - Step 6: Final answer
x = 4,085,766.15
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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.