Finding the Fourth Proportional to 3,865,601.91, 5,334,574.40 and 2,123,311.97
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Solution
The fourth proportional to 3,865,601.91, 5,334,574.40 and 2,123,311.97 is: 2,930,194.55
Step by Step Solution
- Step 1: Write the proportion equation
3,865,601.91 : 5,334,574.40 = 2,123,311.97 : x - Step 2: Convert to fraction form
3,865,601.91/5,334,574.40 = 2,123,311.97/x - Step 3: Cross multiply
3,865,601.91x = 5,334,574.40 × 2,123,311.97 - Step 4: Simplify right side
3,865,601.91x = 11,326,965,641,086.13 - Step 5: Solve for x
x = 11,326,965,641,086.13/3,865,601.91 - Step 6: Final answer
x = 2,930,194.55
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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.