Finding the Fourth Proportional to 1,511,135.86, 2,266,869.86 and 753,168.14
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Solution
The fourth proportional to 1,511,135.86, 2,266,869.86 and 753,168.14 is: 1,129,834.98
Step by Step Solution
- Step 1: Write the proportion equation
1,511,135.86 : 2,266,869.86 = 753,168.14 : x - Step 2: Convert to fraction form
1,511,135.86/2,266,869.86 = 753,168.14/x - Step 3: Cross multiply
1,511,135.86x = 2,266,869.86 × 753,168.14 - Step 4: Simplify right side
1,511,135.86x = 1,707,334,156,078.26 - Step 5: Solve for x
x = 1,707,334,156,078.26/1,511,135.86 - Step 6: Final answer
x = 1,129,834.98
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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.