Finding the Fourth Proportional to 1,612,542.30, 2,418,818.46 and 398,119.08
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Solution
The fourth proportional to 1,612,542.30, 2,418,818.46 and 398,119.08 is: 597,179.86
Step by Step Solution
- Step 1: Write the proportion equation
1,612,542.30 : 2,418,818.46 = 398,119.08 : x - Step 2: Convert to fraction form
1,612,542.30/2,418,818.46 = 398,119.08/x - Step 3: Cross multiply
1,612,542.30x = 2,418,818.46 × 398,119.08 - Step 4: Simplify right side
1,612,542.30x = 962,977,779,982.22 - Step 5: Solve for x
x = 962,977,779,982.22/1,612,542.30 - Step 6: Final answer
x = 597,179.86
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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.