Finding the Fourth Proportional to 3,197,672.74, 4,413,039.90 and 1,821,074.68
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Solution
The fourth proportional to 3,197,672.74, 4,413,039.90 and 1,821,074.68 is: 2,513,226.30
Step by Step Solution
- Step 1: Write the proportion equation
3,197,672.74 : 4,413,039.90 = 1,821,074.68 : x - Step 2: Convert to fraction form
3,197,672.74/4,413,039.90 = 1,821,074.68/x - Step 3: Cross multiply
3,197,672.74x = 4,413,039.90 × 1,821,074.68 - Step 4: Simplify right side
3,197,672.74x = 8,036,475,223,719.73 - Step 5: Solve for x
x = 8,036,475,223,719.73/3,197,672.74 - Step 6: Final answer
x = 2,513,226.30
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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.