Finding the Fourth Proportional to 6,349,527.36, 8,758,988.64 and 4,022,313.84
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Solution
The fourth proportional to 6,349,527.36, 8,758,988.64 and 4,022,313.84 is: 5,548,665.16
Step by Step Solution
- Step 1: Write the proportion equation
6,349,527.36 : 8,758,988.64 = 4,022,313.84 : x - Step 2: Convert to fraction form
6,349,527.36/8,758,988.64 = 4,022,313.84/x - Step 3: Cross multiply
6,349,527.36x = 8,758,988.64 × 4,022,313.84 - Step 4: Simplify right side
6,349,527.36x = 35,231,401,231,074.78 - Step 5: Solve for x
x = 35,231,401,231,074.78/6,349,527.36 - Step 6: Final answer
x = 5,548,665.16
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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.