Finding the Fourth Proportional to 1,618,115.20, 2,425,228.80 and 670,998.40
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Solution
The fourth proportional to 1,618,115.20, 2,425,228.80 and 670,998.40 is: 1,005,691.46
Step by Step Solution
- Step 1: Write the proportion equation
1,618,115.20 : 2,425,228.80 = 670,998.40 : x - Step 2: Convert to fraction form
1,618,115.20/2,425,228.80 = 670,998.40/x - Step 3: Cross multiply
1,618,115.20x = 2,425,228.80 × 670,998.40 - Step 4: Simplify right side
1,618,115.20x = 1,627,324,644,433.92 - Step 5: Solve for x
x = 1,627,324,644,433.92/1,618,115.20 - Step 6: Final answer
x = 1,005,691.46
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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.