Finding the Fourth Proportional to 6,659,905.16, 9,190,698 and 3,604,119.68
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Solution
The fourth proportional to 6,659,905.16, 9,190,698 and 3,604,119.68 is: 4,973,700.79
Step by Step Solution
- Step 1: Write the proportion equation
6,659,905.16 : 9,190,698 = 3,604,119.68 : x - Step 2: Convert to fraction form
6,659,905.16/9,190,698 = 3,604,119.68/x - Step 3: Cross multiply
6,659,905.16x = 9,190,698 × 3,604,119.68 - Step 4: Simplify right side
6,659,905.16x = 33,124,375,534,736.64 - Step 5: Solve for x
x = 33,124,375,534,736.64/6,659,905.16 - Step 6: Final answer
x = 4,973,700.79
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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.