Finding the Fourth Proportional to 1,828,452.62, 2,520,919.95 and 1,419,861.26
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Solution
The fourth proportional to 1,828,452.62, 2,520,919.95 and 1,419,861.26 is: 1,957,587.82
Step by Step Solution
- Step 1: Write the proportion equation
1,828,452.62 : 2,520,919.95 = 1,419,861.26 : x - Step 2: Convert to fraction form
1,828,452.62/2,520,919.95 = 1,419,861.26/x - Step 3: Cross multiply
1,828,452.62x = 2,520,919.95 × 1,419,861.26 - Step 4: Simplify right side
1,828,452.62x = 3,579,356,576,566.14 - Step 5: Solve for x
x = 3,579,356,576,566.14/1,828,452.62 - Step 6: Final answer
x = 1,957,587.82
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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.