Finding the Fourth Proportional to 7,739,360.38, 11,609,004.12 and 1,982,082.88
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Solution
The fourth proportional to 7,739,360.38, 11,609,004.12 and 1,982,082.88 is: 2,973,114.99
Step by Step Solution
- Step 1: Write the proportion equation
7,739,360.38 : 11,609,004.12 = 1,982,082.88 : x - Step 2: Convert to fraction form
7,739,360.38/11,609,004.12 = 1,982,082.88/x - Step 3: Cross multiply
7,739,360.38x = 11,609,004.12 × 1,982,082.88 - Step 4: Simplify right side
7,739,360.38x = 23,010,008,320,101.46 - Step 5: Solve for x
x = 23,010,008,320,101.46/7,739,360.38 - Step 6: Final answer
x = 2,973,114.99
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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.