Finding the Fourth Proportional to 5,284,361.38, 7,929,592.94 and 2,855,522.92
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Solution
The fourth proportional to 5,284,361.38, 7,929,592.94 and 2,855,522.92 is: 4,284,932.99
Step by Step Solution
- Step 1: Write the proportion equation
5,284,361.38 : 7,929,592.94 = 2,855,522.92 : x - Step 2: Convert to fraction form
5,284,361.38/7,929,592.94 = 2,855,522.92/x - Step 3: Cross multiply
5,284,361.38x = 7,929,592.94 × 2,855,522.92 - Step 4: Simplify right side
5,284,361.38x = 22,643,134,386,440.18 - Step 5: Solve for x
x = 22,643,134,386,440.18/5,284,361.38 - Step 6: Final answer
x = 4,284,932.99
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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.