Finding the Fourth Proportional to 5,423,801.32, 8,138,345.82 and 2,229,887.08
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Solution
The fourth proportional to 5,423,801.32, 8,138,345.82 and 2,229,887.08 is: 3,345,917.58
Step by Step Solution
- Step 1: Write the proportion equation
5,423,801.32 : 8,138,345.82 = 2,229,887.08 : x - Step 2: Convert to fraction form
5,423,801.32/8,138,345.82 = 2,229,887.08/x - Step 3: Cross multiply
5,423,801.32x = 8,138,345.82 × 2,229,887.08 - Step 4: Simplify right side
5,423,801.32x = 18,147,592,196,590.01 - Step 5: Solve for x
x = 18,147,592,196,590.01/5,423,801.32 - Step 6: Final answer
x = 3,345,917.58
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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.