Finding the Fourth Proportional to 4,884,514.58, 7,327,887.87 and 1,689,638.42
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Solution
The fourth proportional to 4,884,514.58, 7,327,887.87 and 1,689,638.42 is: 2,534,843.67
Step by Step Solution
- Step 1: Write the proportion equation
4,884,514.58 : 7,327,887.87 = 1,689,638.42 : x - Step 2: Convert to fraction form
4,884,514.58/7,327,887.87 = 1,689,638.42/x - Step 3: Cross multiply
4,884,514.58x = 7,327,887.87 × 1,689,638.42 - Step 4: Simplify right side
4,884,514.58x = 12,381,480,882,603.96 - Step 5: Solve for x
x = 12,381,480,882,603.96/4,884,514.58 - Step 6: Final answer
x = 2,534,843.67
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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.