Finding the Fourth Proportional to 5,207,393.43, 7,811,832.08 and 1,613,442.87
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Solution
The fourth proportional to 5,207,393.43, 7,811,832.08 and 1,613,442.87 is: 2,420,394.18
Step by Step Solution
- Step 1: Write the proportion equation
5,207,393.43 : 7,811,832.08 = 1,613,442.87 : x - Step 2: Convert to fraction form
5,207,393.43/7,811,832.08 = 1,613,442.87/x - Step 3: Cross multiply
5,207,393.43x = 7,811,832.08 × 1,613,442.87 - Step 4: Simplify right side
5,207,393.43x = 12,603,944,771,113.27 - Step 5: Solve for x
x = 12,603,944,771,113.27/5,207,393.43 - Step 6: Final answer
x = 2,420,394.18
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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.