Finding the Fourth Proportional to 4,438,346.31, 6,651,634.11 and 2,279,284.17
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Solution
The fourth proportional to 4,438,346.31, 6,651,634.11 and 2,279,284.17 is: 3,415,903.87
Step by Step Solution
- Step 1: Write the proportion equation
4,438,346.31 : 6,651,634.11 = 2,279,284.17 : x - Step 2: Convert to fraction form
4,438,346.31/6,651,634.11 = 2,279,284.17/x - Step 3: Cross multiply
4,438,346.31x = 6,651,634.11 × 2,279,284.17 - Step 4: Simplify right side
4,438,346.31x = 15,160,964,331,555.04 - Step 5: Solve for x
x = 15,160,964,331,555.04/4,438,346.31 - Step 6: Final answer
x = 3,415,903.87
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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.