Finding the Fourth Proportional to 2,330,043.86, 3,213,804.13 and 1,555,284.06
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Solution
The fourth proportional to 2,330,043.86, 3,213,804.13 and 1,555,284.06 is: 2,145,186.37
Step by Step Solution
- Step 1: Write the proportion equation
2,330,043.86 : 3,213,804.13 = 1,555,284.06 : x - Step 2: Convert to fraction form
2,330,043.86/3,213,804.13 = 1,555,284.06/x - Step 3: Cross multiply
2,330,043.86x = 3,213,804.13 × 1,555,284.06 - Step 4: Simplify right side
2,330,043.86x = 4,998,378,335,351.17 - Step 5: Solve for x
x = 4,998,378,335,351.17/2,330,043.86 - Step 6: Final answer
x = 2,145,186.37
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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.