Finding the Fourth Proportional to 2,388,451.20, 3,296,364 and 1,369,834.08
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Solution
The fourth proportional to 2,388,451.20, 3,296,364 and 1,369,834.08 is: 1,890,543.86
Step by Step Solution
- Step 1: Write the proportion equation
2,388,451.20 : 3,296,364 = 1,369,834.08 : x - Step 2: Convert to fraction form
2,388,451.20/3,296,364 = 1,369,834.08/x - Step 3: Cross multiply
2,388,451.20x = 3,296,364 × 1,369,834.08 - Step 4: Simplify right side
2,388,451.20x = 4,515,471,747,285.12 - Step 5: Solve for x
x = 4,515,471,747,285.12/2,388,451.20 - Step 6: Final answer
x = 1,890,543.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.