Finding the Fourth Proportional to 2,757,515.40, 4,139,642.70 and 1,560,270.60
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Solution
The fourth proportional to 2,757,515.40, 4,139,642.70 and 1,560,270.60 is: 2,342,312.50
Step by Step Solution
- Step 1: Write the proportion equation
2,757,515.40 : 4,139,642.70 = 1,560,270.60 : x - Step 2: Convert to fraction form
2,757,515.40/4,139,642.70 = 1,560,270.60/x - Step 3: Cross multiply
2,757,515.40x = 4,139,642.70 × 1,560,270.60 - Step 4: Simplify right side
2,757,515.40x = 6,458,962,799,314.62 - Step 5: Solve for x
x = 6,458,962,799,314.62/2,757,515.40 - Step 6: Final answer
x = 2,342,312.50
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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.