Finding the Fourth Proportional to 1,998,135.86, 2,996,414.84 and 799,834.82
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Solution
The fourth proportional to 1,998,135.86, 2,996,414.84 and 799,834.82 is: 1,199,436.42
Step by Step Solution
- Step 1: Write the proportion equation
1,998,135.86 : 2,996,414.84 = 799,834.82 : x - Step 2: Convert to fraction form
1,998,135.86/2,996,414.84 = 799,834.82/x - Step 3: Cross multiply
1,998,135.86x = 2,996,414.84 × 799,834.82 - Step 4: Simplify right side
1,998,135.86x = 2,396,636,911,214.24 - Step 5: Solve for x
x = 2,396,636,911,214.24/1,998,135.86 - Step 6: Final answer
x = 1,199,436.42
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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.