Finding the Fourth Proportional to 4,789,231.80, 6,609,201.12 and 2,829,174.36
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Solution
The fourth proportional to 4,789,231.80, 6,609,201.12 and 2,829,174.36 is: 3,904,296.79
Step by Step Solution
- Step 1: Write the proportion equation
4,789,231.80 : 6,609,201.12 = 2,829,174.36 : x - Step 2: Convert to fraction form
4,789,231.80/6,609,201.12 = 2,829,174.36/x - Step 3: Cross multiply
4,789,231.80x = 6,609,201.12 × 2,829,174.36 - Step 4: Simplify right side
4,789,231.80x = 18,698,582,348,787.28 - Step 5: Solve for x
x = 18,698,582,348,787.28/4,789,231.80 - Step 6: Final answer
x = 3,904,296.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.