Finding the Fourth Proportional to 5,008,215.84, 7,512,189.84 and 1,414,230.72
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Solution
The fourth proportional to 5,008,215.84, 7,512,189.84 and 1,414,230.72 is: 2,121,308.26
Step by Step Solution
- Step 1: Write the proportion equation
5,008,215.84 : 7,512,189.84 = 1,414,230.72 : x - Step 2: Convert to fraction form
5,008,215.84/7,512,189.84 = 1,414,230.72/x - Step 3: Cross multiply
5,008,215.84x = 7,512,189.84 × 1,414,230.72 - Step 4: Simplify right side
5,008,215.84x = 10,623,969,646,199.88 - Step 5: Solve for x
x = 10,623,969,646,199.88/5,008,215.84 - Step 6: Final answer
x = 2,121,308.26
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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.