Finding the Fourth Proportional to 1,530,922.72, 2,296,381.92 and 520,149.68
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Solution
The fourth proportional to 1,530,922.72, 2,296,381.92 and 520,149.68 is: 780,223.79
Step by Step Solution
- Step 1: Write the proportion equation
1,530,922.72 : 2,296,381.92 = 520,149.68 : x - Step 2: Convert to fraction form
1,530,922.72/2,296,381.92 = 520,149.68/x - Step 3: Cross multiply
1,530,922.72x = 2,296,381.92 × 520,149.68 - Step 4: Simplify right side
1,530,922.72x = 1,194,462,320,845.79 - Step 5: Solve for x
x = 1,194,462,320,845.79/1,530,922.72 - Step 6: Final answer
x = 780,223.79
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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.