Finding the Fourth Proportional to 2,601,977.43, 3,590,757.12 and 1,440,442.95
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Solution
The fourth proportional to 2,601,977.43, 3,590,757.12 and 1,440,442.95 is: 1,987,826.92
Step by Step Solution
- Step 1: Write the proportion equation
2,601,977.43 : 3,590,757.12 = 1,440,442.95 : x - Step 2: Convert to fraction form
2,601,977.43/3,590,757.12 = 1,440,442.95/x - Step 3: Cross multiply
2,601,977.43x = 3,590,757.12 × 1,440,442.95 - Step 4: Simplify right side
2,601,977.43x = 5,172,280,778,666.30 - Step 5: Solve for x
x = 5,172,280,778,666.30/2,601,977.43 - Step 6: Final answer
x = 1,987,826.92
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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.