Finding the Fourth Proportional to 2,512,685.64, 3,468,121.98 and 1,425,593.52
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Solution
The fourth proportional to 2,512,685.64, 3,468,121.98 and 1,425,593.52 is: 1,967,668.44
Step by Step Solution
- Step 1: Write the proportion equation
2,512,685.64 : 3,468,121.98 = 1,425,593.52 : x - Step 2: Convert to fraction form
2,512,685.64/3,468,121.98 = 1,425,593.52/x - Step 3: Cross multiply
2,512,685.64x = 3,468,121.98 × 1,425,593.52 - Step 4: Simplify right side
2,512,685.64x = 4,944,132,221,257.57 - Step 5: Solve for x
x = 4,944,132,221,257.57/2,512,685.64 - Step 6: Final answer
x = 1,967,668.44
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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.