Finding the Fourth Proportional to 5,330,414.52, 7,992,078.84 and 2,935,387.08
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Solution
The fourth proportional to 5,330,414.52, 7,992,078.84 and 2,935,387.08 is: 4,401,129.57
Step by Step Solution
- Step 1: Write the proportion equation
5,330,414.52 : 7,992,078.84 = 2,935,387.08 : x - Step 2: Convert to fraction form
5,330,414.52/7,992,078.84 = 2,935,387.08/x - Step 3: Cross multiply
5,330,414.52x = 7,992,078.84 × 2,935,387.08 - Step 4: Simplify right side
5,330,414.52x = 23,459,844,969,277.39 - Step 5: Solve for x
x = 23,459,844,969,277.39/5,330,414.52 - Step 6: Final answer
x = 4,401,129.57
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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.