Finding the Fourth Proportional to 7,985,203.66, 11,979,824.42 and 2,227,934.17
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Solution
The fourth proportional to 7,985,203.66, 11,979,824.42 and 2,227,934.17 is: 3,342,464.55
Step by Step Solution
- Step 1: Write the proportion equation
7,985,203.66 : 11,979,824.42 = 2,227,934.17 : x - Step 2: Convert to fraction form
7,985,203.66/11,979,824.42 = 2,227,934.17/x - Step 3: Cross multiply
7,985,203.66x = 11,979,824.42 × 2,227,934.17 - Step 4: Simplify right side
7,985,203.66x = 26,690,260,175,918.43 - Step 5: Solve for x
x = 26,690,260,175,918.43/7,985,203.66 - Step 6: Final answer
x = 3,342,464.55
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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.