Finding the Fourth Proportional to 5,715,506.42, 7,893,944.99 and 3,764,107.68
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Solution
The fourth proportional to 5,715,506.42, 7,893,944.99 and 3,764,107.68 is: 5,198,779.74
Step by Step Solution
- Step 1: Write the proportion equation
5,715,506.42 : 7,893,944.99 = 3,764,107.68 : x - Step 2: Convert to fraction form
5,715,506.42/7,893,944.99 = 3,764,107.68/x - Step 3: Cross multiply
5,715,506.42x = 7,893,944.99 × 3,764,107.68 - Step 4: Simplify right side
5,715,506.42x = 29,713,658,962,356.52 - Step 5: Solve for x
x = 29,713,658,962,356.52/5,715,506.42 - Step 6: Final answer
x = 5,198,779.74
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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.