Finding the Fourth Proportional to 2,082,779.96, 2,874,502.25 and 1,165,060.08
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Solution
The fourth proportional to 2,082,779.96, 2,874,502.25 and 1,165,060.08 is: 1,607,931.65
Step by Step Solution
- Step 1: Write the proportion equation
2,082,779.96 : 2,874,502.25 = 1,165,060.08 : x - Step 2: Convert to fraction form
2,082,779.96/2,874,502.25 = 1,165,060.08/x - Step 3: Cross multiply
2,082,779.96x = 2,874,502.25 × 1,165,060.08 - Step 4: Simplify right side
2,082,779.96x = 3,348,967,815,519.88 - Step 5: Solve for x
x = 3,348,967,815,519.88/2,082,779.96 - Step 6: Final answer
x = 1,607,931.65
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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.