Finding the Fourth Proportional to 2,753,379.98, 4,128,651.83 and 1,235,761.91
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Solution
The fourth proportional to 2,753,379.98, 4,128,651.83 and 1,235,761.91 is: 1,853,006.38
Step by Step Solution
- Step 1: Write the proportion equation
2,753,379.98 : 4,128,651.83 = 1,235,761.91 : x - Step 2: Convert to fraction form
2,753,379.98/4,128,651.83 = 1,235,761.91/x - Step 3: Cross multiply
2,753,379.98x = 4,128,651.83 × 1,235,761.91 - Step 4: Simplify right side
2,753,379.98x = 5,102,030,664,986.99 - Step 5: Solve for x
x = 5,102,030,664,986.99/2,753,379.98 - Step 6: Final answer
x = 1,853,006.38
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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.