Finding the Fourth Proportional to 3,215,934.27, 4,437,790.47 and 1,765,621.62
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Solution
The fourth proportional to 3,215,934.27, 4,437,790.47 and 1,765,621.62 is: 2,436,448.68
Step by Step Solution
- Step 1: Write the proportion equation
3,215,934.27 : 4,437,790.47 = 1,765,621.62 : x - Step 2: Convert to fraction form
3,215,934.27/4,437,790.47 = 1,765,621.62/x - Step 3: Cross multiply
3,215,934.27x = 4,437,790.47 × 1,765,621.62 - Step 4: Simplify right side
3,215,934.27x = 7,835,458,798,861.96 - Step 5: Solve for x
x = 7,835,458,798,861.96/3,215,934.27 - Step 6: Final answer
x = 2,436,448.68
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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.