Finding the Fourth Proportional to 6,880,520.70, 10,320,744.60 and 1,762,940.70
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Solution
The fourth proportional to 6,880,520.70, 10,320,744.60 and 1,762,940.70 is: 2,644,401.71
Step by Step Solution
- Step 1: Write the proportion equation
6,880,520.70 : 10,320,744.60 = 1,762,940.70 : x - Step 2: Convert to fraction form
6,880,520.70/10,320,744.60 = 1,762,940.70/x - Step 3: Cross multiply
6,880,520.70x = 10,320,744.60 × 1,762,940.70 - Step 4: Simplify right side
6,880,520.70x = 18,194,860,709,645.22 - Step 5: Solve for x
x = 18,194,860,709,645.22/6,880,520.70 - Step 6: Final answer
x = 2,644,401.71
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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.