Finding the Fourth Proportional to 7,985,204.91, 11,979,826.29 and 2,227,935.42
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Solution
The fourth proportional to 7,985,204.91, 11,979,826.29 and 2,227,935.42 is: 3,342,466.43
Step by Step Solution
- Step 1: Write the proportion equation
7,985,204.91 : 11,979,826.29 = 2,227,935.42 : x - Step 2: Convert to fraction form
7,985,204.91/11,979,826.29 = 2,227,935.42/x - Step 3: Cross multiply
7,985,204.91x = 11,979,826.29 × 2,227,935.42 - Step 4: Simplify right side
7,985,204.91x = 26,690,279,316,938.19 - Step 5: Solve for x
x = 26,690,279,316,938.19/7,985,204.91 - Step 6: Final answer
x = 3,342,466.43
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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.