Finding the Fourth Proportional to 3,128,168.12, 4,692,334.18 and 998,250.18
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Solution
The fourth proportional to 3,128,168.12, 4,692,334.18 and 998,250.18 is: 1,497,401.44
Step by Step Solution
- Step 1: Write the proportion equation
3,128,168.12 : 4,692,334.18 = 998,250.18 : x - Step 2: Convert to fraction form
3,128,168.12/4,692,334.18 = 998,250.18/x - Step 3: Cross multiply
3,128,168.12x = 4,692,334.18 × 998,250.18 - Step 4: Simplify right side
3,128,168.12x = 4,684,123,439,805.15 - Step 5: Solve for x
x = 4,684,123,439,805.15/3,128,168.12 - Step 6: Final answer
x = 1,497,401.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.