Finding the Fourth Proportional to 4,653,362.30, 6,980,198.97 and 1,287,287.42
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Solution
The fourth proportional to 4,653,362.30, 6,980,198.97 and 1,287,287.42 is: 1,930,974.15
Step by Step Solution
- Step 1: Write the proportion equation
4,653,362.30 : 6,980,198.97 = 1,287,287.42 : x - Step 2: Convert to fraction form
4,653,362.30/6,980,198.97 = 1,287,287.42/x - Step 3: Cross multiply
4,653,362.30x = 6,980,198.97 × 1,287,287.42 - Step 4: Simplify right side
4,653,362.30x = 8,985,522,323,177.96 - Step 5: Solve for x
x = 8,985,522,323,177.96/4,653,362.30 - Step 6: Final answer
x = 1,930,974.15
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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.