Finding the Fourth Proportional to 1,490,520.84, 2,236,291.56 and 637,240.92
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Solution
The fourth proportional to 1,490,520.84, 2,236,291.56 and 637,240.92 is: 956,079.55
Step by Step Solution
- Step 1: Write the proportion equation
1,490,520.84 : 2,236,291.56 = 637,240.92 : x - Step 2: Convert to fraction form
1,490,520.84/2,236,291.56 = 637,240.92/x - Step 3: Cross multiply
1,490,520.84x = 2,236,291.56 × 637,240.92 - Step 4: Simplify right side
1,490,520.84x = 1,425,056,491,082.64 - Step 5: Solve for x
x = 1,425,056,491,082.64/1,490,520.84 - Step 6: Final answer
x = 956,079.55
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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.