Finding the Fourth Proportional to 6,343,850.19, 8,754,278.74 and 3,443,178.97
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Solution
The fourth proportional to 6,343,850.19, 8,754,278.74 and 3,443,178.97 is: 4,751,459.69
Step by Step Solution
- Step 1: Write the proportion equation
6,343,850.19 : 8,754,278.74 = 3,443,178.97 : x - Step 2: Convert to fraction form
6,343,850.19/8,754,278.74 = 3,443,178.97/x - Step 3: Cross multiply
6,343,850.19x = 8,754,278.74 × 3,443,178.97 - Step 4: Simplify right side
6,343,850.19x = 30,142,548,455,086.10 - Step 5: Solve for x
x = 30,142,548,455,086.10/6,343,850.19 - Step 6: Final answer
x = 4,751,459.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.