Finding the Fourth Proportional to 3,081,467.99, 4,619,697.06 and 1,285,689.49
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Solution
The fourth proportional to 3,081,467.99, 4,619,697.06 and 1,285,689.49 is: 1,927,489.10
Step by Step Solution
- Step 1: Write the proportion equation
3,081,467.99 : 4,619,697.06 = 1,285,689.49 : x - Step 2: Convert to fraction form
3,081,467.99/4,619,697.06 = 1,285,689.49/x - Step 3: Cross multiply
3,081,467.99x = 4,619,697.06 × 1,285,689.49 - Step 4: Simplify right side
3,081,467.99x = 5,939,495,957,025.90 - Step 5: Solve for x
x = 5,939,495,957,025.90/3,081,467.99 - Step 6: Final answer
x = 1,927,489.10
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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.