Finding the Fourth Proportional to 6,375,857.63, 8,798,689.19 and 3,475,190.39
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Solution
The fourth proportional to 6,375,857.63, 8,798,689.19 and 3,475,190.39 is: 4,795,765.82
Step by Step Solution
- Step 1: Write the proportion equation
6,375,857.63 : 8,798,689.19 = 3,475,190.39 : x - Step 2: Convert to fraction form
6,375,857.63/8,798,689.19 = 3,475,190.39/x - Step 3: Cross multiply
6,375,857.63x = 8,798,689.19 × 3,475,190.39 - Step 4: Simplify right side
6,375,857.63x = 30,577,120,082,379.41 - Step 5: Solve for x
x = 30,577,120,082,379.41/6,375,857.63 - Step 6: Final answer
x = 4,795,765.82
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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.