Finding the Fourth Proportional to 5,081,794.29, 7,621,074.80 and 1,669,289.16
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Solution
The fourth proportional to 5,081,794.29, 7,621,074.80 and 1,669,289.16 is: 2,503,402.70
Step by Step Solution
- Step 1: Write the proportion equation
5,081,794.29 : 7,621,074.80 = 1,669,289.16 : x - Step 2: Convert to fraction form
5,081,794.29/7,621,074.80 = 1,669,289.16/x - Step 3: Cross multiply
5,081,794.29x = 7,621,074.80 × 1,669,289.16 - Step 4: Simplify right side
5,081,794.29x = 12,721,777,542,842.72 - Step 5: Solve for x
x = 12,721,777,542,842.72/5,081,794.29 - Step 6: Final answer
x = 2,503,402.70
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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.