Finding the Fourth Proportional to 5,396,027.12, 7,446,537.18 and 2,948,638.46
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Solution
The fourth proportional to 5,396,027.12, 7,446,537.18 and 2,948,638.46 is: 4,069,131.87
Step by Step Solution
- Step 1: Write the proportion equation
5,396,027.12 : 7,446,537.18 = 2,948,638.46 : x - Step 2: Convert to fraction form
5,396,027.12/7,446,537.18 = 2,948,638.46/x - Step 3: Cross multiply
5,396,027.12x = 7,446,537.18 × 2,948,638.46 - Step 4: Simplify right side
5,396,027.12x = 21,957,145,922,767.94 - Step 5: Solve for x
x = 21,957,145,922,767.94/5,396,027.12 - Step 6: Final answer
x = 4,069,131.87
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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.