Finding the Fourth Proportional to 3,727,932.96, 5,582,930.72 and 2,125,638.40
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Solution
The fourth proportional to 3,727,932.96, 5,582,930.72 and 2,125,638.40 is: 3,183,343.71
Step by Step Solution
- Step 1: Write the proportion equation
3,727,932.96 : 5,582,930.72 = 2,125,638.40 : x - Step 2: Convert to fraction form
3,727,932.96/5,582,930.72 = 2,125,638.40/x - Step 3: Cross multiply
3,727,932.96x = 5,582,930.72 × 2,125,638.40 - Step 4: Simplify right side
3,727,932.96x = 11,867,291,922,971.65 - Step 5: Solve for x
x = 11,867,291,922,971.65/3,727,932.96 - Step 6: Final answer
x = 3,183,343.71
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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.