Finding the Fourth Proportional to 3,587,842.55, 5,378,715.70 and 1,669,867.55
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Solution
The fourth proportional to 3,587,842.55, 5,378,715.70 and 1,669,867.55 is: 2,503,382.65
Step by Step Solution
- Step 1: Write the proportion equation
3,587,842.55 : 5,378,715.70 = 1,669,867.55 : x - Step 2: Convert to fraction form
3,587,842.55/5,378,715.70 = 1,669,867.55/x - Step 3: Cross multiply
3,587,842.55x = 5,378,715.70 × 1,669,867.55 - Step 4: Simplify right side
3,587,842.55x = 8,981,742,797,207.47 - Step 5: Solve for x
x = 8,981,742,797,207.47/3,587,842.55 - Step 6: Final answer
x = 2,503,382.65
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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.