Finding the Fourth Proportional to 2,067,589.80, 3,104,927.64 and 1,122,805.80
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Solution
The fourth proportional to 2,067,589.80, 3,104,927.64 and 1,122,805.80 is: 1,686,132.70
Step by Step Solution
- Step 1: Write the proportion equation
2,067,589.80 : 3,104,927.64 = 1,122,805.80 : x - Step 2: Convert to fraction form
2,067,589.80/3,104,927.64 = 1,122,805.80/x - Step 3: Cross multiply
2,067,589.80x = 3,104,927.64 × 1,122,805.80 - Step 4: Simplify right side
2,067,589.80x = 3,486,230,762,772.31 - Step 5: Solve for x
x = 3,486,230,762,772.31/2,067,589.80 - Step 6: Final answer
x = 1,686,132.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.