Finding the Fourth Proportional to 1,098,467.87, 1,647,879.49 and 340,131.08
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Solution
The fourth proportional to 1,098,467.87, 1,647,879.49 and 340,131.08 is: 510,251.65
Step by Step Solution
- Step 1: Write the proportion equation
1,098,467.87 : 1,647,879.49 = 340,131.08 : x - Step 2: Convert to fraction form
1,098,467.87/1,647,879.49 = 340,131.08/x - Step 3: Cross multiply
1,098,467.87x = 1,647,879.49 × 340,131.08 - Step 4: Simplify right side
1,098,467.87x = 560,495,035,188.41 - Step 5: Solve for x
x = 560,495,035,188.41/1,098,467.87 - Step 6: Final answer
x = 510,251.65
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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.