Finding the Fourth Proportional to 2,880,201.70, 4,320,302.55 and 2,670,249.70
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Solution
The fourth proportional to 2,880,201.70, 4,320,302.55 and 2,670,249.70 is: 4,005,374.55
Step by Step Solution
- Step 1: Write the proportion equation
2,880,201.70 : 4,320,302.55 = 2,670,249.70 : x - Step 2: Convert to fraction form
2,880,201.70/4,320,302.55 = 2,670,249.70/x - Step 3: Cross multiply
2,880,201.70x = 4,320,302.55 × 2,670,249.70 - Step 4: Simplify right side
2,880,201.70x = 11,536,286,588,046.73 - Step 5: Solve for x
x = 11,536,286,588,046.73/2,880,201.70 - Step 6: Final answer
x = 4,005,374.55
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1.5x scale
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.