Finding the Fourth Proportional to 2,639,874.65, 3,641,146.43 and 2,422,782.09
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Solution
The fourth proportional to 2,639,874.65, 3,641,146.43 and 2,422,782.09 is: 3,341,713.35
Step by Step Solution
- Step 1: Write the proportion equation
2,639,874.65 : 3,641,146.43 = 2,422,782.09 : x - Step 2: Convert to fraction form
2,639,874.65/3,641,146.43 = 2,422,782.09/x - Step 3: Cross multiply
2,639,874.65x = 3,641,146.43 × 2,422,782.09 - Step 4: Simplify right side
2,639,874.65x = 8,821,704,345,557.53 - Step 5: Solve for x
x = 8,821,704,345,557.53/2,639,874.65 - Step 6: Final answer
x = 3,341,713.35
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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.