Finding the Fourth Proportional to 2,876,634.14, 3,971,247.65 and 2,101,394.58
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Solution
The fourth proportional to 2,876,634.14, 3,971,247.65 and 2,101,394.58 is: 2,901,014.83
Step by Step Solution
- Step 1: Write the proportion equation
2,876,634.14 : 3,971,247.65 = 2,101,394.58 : x - Step 2: Convert to fraction form
2,876,634.14/3,971,247.65 = 2,101,394.58/x - Step 3: Cross multiply
2,876,634.14x = 3,971,247.65 × 2,101,394.58 - Step 4: Simplify right side
2,876,634.14x = 8,345,158,277,040.77 - Step 5: Solve for x
x = 8,345,158,277,040.77/2,876,634.14 - Step 6: Final answer
x = 2,901,014.83
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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.