Finding the Fourth Proportional to 2,987,257.60, 4,122,785.82 and 1,825,464.88
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Solution
The fourth proportional to 2,987,257.60, 4,122,785.82 and 1,825,464.88 is: 2,519,367.84
Step by Step Solution
- Step 1: Write the proportion equation
2,987,257.60 : 4,122,785.82 = 1,825,464.88 : x - Step 2: Convert to fraction form
2,987,257.60/4,122,785.82 = 1,825,464.88/x - Step 3: Cross multiply
2,987,257.60x = 4,122,785.82 × 1,825,464.88 - Step 4: Simplify right side
2,987,257.60x = 7,526,000,722,172.00 - Step 5: Solve for x
x = 7,526,000,722,172.00/2,987,257.60 - Step 6: Final answer
x = 2,519,367.84
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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.