Finding the Fourth Proportional to 1,738,520.87, 2,607,740.59 and 459,217.62
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Solution
The fourth proportional to 1,738,520.87, 2,607,740.59 and 459,217.62 is: 688,815.68
Step by Step Solution
- Step 1: Write the proportion equation
1,738,520.87 : 2,607,740.59 = 459,217.62 : x - Step 2: Convert to fraction form
1,738,520.87/2,607,740.59 = 459,217.62/x - Step 3: Cross multiply
1,738,520.87x = 2,607,740.59 × 459,217.62 - Step 4: Simplify right side
1,738,520.87x = 1,197,520,427,317.20 - Step 5: Solve for x
x = 1,197,520,427,317.20/1,738,520.87 - Step 6: Final answer
x = 688,815.68
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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.