Finding the Fourth Proportional to 3,722,756.99, 5,137,963.97 and 2,273,288.58
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Solution
The fourth proportional to 3,722,756.99, 5,137,963.97 and 2,273,288.58 is: 3,137,479.79
Step by Step Solution
- Step 1: Write the proportion equation
3,722,756.99 : 5,137,963.97 = 2,273,288.58 : x - Step 2: Convert to fraction form
3,722,756.99/5,137,963.97 = 2,273,288.58/x - Step 3: Cross multiply
3,722,756.99x = 5,137,963.97 × 2,273,288.58 - Step 4: Simplify right side
3,722,756.99x = 11,680,074,806,086.02 - Step 5: Solve for x
x = 11,680,074,806,086.02/3,722,756.99 - Step 6: Final answer
x = 3,137,479.79
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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.