Finding the Fourth Proportional to 5,051,438.68, 7,580,147.84 and 1,858,806.88
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Solution
The fourth proportional to 5,051,438.68, 7,580,147.84 and 1,858,806.88 is: 2,789,310.50
Step by Step Solution
- Step 1: Write the proportion equation
5,051,438.68 : 7,580,147.84 = 1,858,806.88 : x - Step 2: Convert to fraction form
5,051,438.68/7,580,147.84 = 1,858,806.88/x - Step 3: Cross multiply
5,051,438.68x = 7,580,147.84 × 1,858,806.88 - Step 4: Simplify right side
5,051,438.68x = 14,090,030,956,409.14 - Step 5: Solve for x
x = 14,090,030,956,409.14/5,051,438.68 - Step 6: Final answer
x = 2,789,310.50
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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.