Finding the Fourth Proportional to 3,634,129.52, 5,015,098.88 and 2,107,122.40
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Solution
The fourth proportional to 3,634,129.52, 5,015,098.88 and 2,107,122.40 is: 2,907,828.99
Step by Step Solution
- Step 1: Write the proportion equation
3,634,129.52 : 5,015,098.88 = 2,107,122.40 : x - Step 2: Convert to fraction form
3,634,129.52/5,015,098.88 = 2,107,122.40/x - Step 3: Cross multiply
3,634,129.52x = 5,015,098.88 × 2,107,122.40 - Step 4: Simplify right side
3,634,129.52x = 10,567,427,188,262.91 - Step 5: Solve for x
x = 10,567,427,188,262.91/3,634,129.52 - Step 6: Final answer
x = 2,907,828.99
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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.