Finding the Fourth Proportional to 2,999,422.38, 4,139,191.68 and 1,622,761.68
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Solution
The fourth proportional to 2,999,422.38, 4,139,191.68 and 1,622,761.68 is: 2,239,405.06
Step by Step Solution
- Step 1: Write the proportion equation
2,999,422.38 : 4,139,191.68 = 1,622,761.68 : x - Step 2: Convert to fraction form
2,999,422.38/4,139,191.68 = 1,622,761.68/x - Step 3: Cross multiply
2,999,422.38x = 4,139,191.68 × 1,622,761.68 - Step 4: Simplify right side
2,999,422.38x = 6,716,921,644,478.82 - Step 5: Solve for x
x = 6,716,921,644,478.82/2,999,422.38 - Step 6: Final answer
x = 2,239,405.06
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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.