Finding the Fourth Proportional to 1,520,114.68, 2,097,551.57 and 908,137.92
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Solution
The fourth proportional to 1,520,114.68, 2,097,551.57 and 908,137.92 is: 1,253,106.85
Step by Step Solution
- Step 1: Write the proportion equation
1,520,114.68 : 2,097,551.57 = 908,137.92 : x - Step 2: Convert to fraction form
1,520,114.68/2,097,551.57 = 908,137.92/x - Step 3: Cross multiply
1,520,114.68x = 2,097,551.57 × 908,137.92 - Step 4: Simplify right side
1,520,114.68x = 1,904,866,119,872.53 - Step 5: Solve for x
x = 1,904,866,119,872.53/1,520,114.68 - Step 6: Final answer
x = 1,253,106.85
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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.