Finding the Fourth Proportional to 1,531,289.64, 2,296,759.34 and 409,446.12
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Solution
The fourth proportional to 1,531,289.64, 2,296,759.34 and 409,446.12 is: 614,122.35
Step by Step Solution
- Step 1: Write the proportion equation
1,531,289.64 : 2,296,759.34 = 409,446.12 : x - Step 2: Convert to fraction form
1,531,289.64/2,296,759.34 = 409,446.12/x - Step 3: Cross multiply
1,531,289.64x = 2,296,759.34 × 409,446.12 - Step 4: Simplify right side
1,531,289.64x = 940,399,192,747.53 - Step 5: Solve for x
x = 940,399,192,747.53/1,531,289.64 - Step 6: Final answer
x = 614,122.35
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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.