Finding the Fourth Proportional to 5,678,489.70, 8,514,624.15 and 2,308,889.70
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Solution
The fourth proportional to 5,678,489.70, 8,514,624.15 and 2,308,889.70 is: 3,462,069.85
Step by Step Solution
- Step 1: Write the proportion equation
5,678,489.70 : 8,514,624.15 = 2,308,889.70 : x - Step 2: Convert to fraction form
5,678,489.70/8,514,624.15 = 2,308,889.70/x - Step 3: Cross multiply
5,678,489.70x = 8,514,624.15 × 2,308,889.70 - Step 4: Simplify right side
5,678,489.70x = 19,659,327,999,306.26 - Step 5: Solve for x
x = 19,659,327,999,306.26/5,678,489.70 - Step 6: Final answer
x = 3,462,069.85
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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.