Finding the Fourth Proportional to 2,522,607.11, 3,481,310.99 and 1,420,417.53
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Solution
The fourth proportional to 2,522,607.11, 3,481,310.99 and 1,420,417.53 is: 1,960,239.92
Step by Step Solution
- Step 1: Write the proportion equation
2,522,607.11 : 3,481,310.99 = 1,420,417.53 : x - Step 2: Convert to fraction form
2,522,607.11/3,481,310.99 = 1,420,417.53/x - Step 3: Cross multiply
2,522,607.11x = 3,481,310.99 × 1,420,417.53 - Step 4: Simplify right side
2,522,607.11x = 4,944,915,150,475.57 - Step 5: Solve for x
x = 4,944,915,150,475.57/2,522,607.11 - Step 6: Final answer
x = 1,960,239.92
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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.