Finding the Fourth Proportional to 5,126,232.60, 7,678,851.30 and 2,603,309.40
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Solution
The fourth proportional to 5,126,232.60, 7,678,851.30 and 2,603,309.40 is: 3,899,632.99
Step by Step Solution
- Step 1: Write the proportion equation
5,126,232.60 : 7,678,851.30 = 2,603,309.40 : x - Step 2: Convert to fraction form
5,126,232.60/7,678,851.30 = 2,603,309.40/x - Step 3: Cross multiply
5,126,232.60x = 7,678,851.30 × 2,603,309.40 - Step 4: Simplify right side
5,126,232.60x = 19,990,425,770,492.22 - Step 5: Solve for x
x = 19,990,425,770,492.22/5,126,232.60 - Step 6: Final answer
x = 3,899,632.99
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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.