Finding the Fourth Proportional to 2,107,975.62, 3,161,490.30 and 969,644.55
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Solution
The fourth proportional to 2,107,975.62, 3,161,490.30 and 969,644.55 is: 1,454,249.19
Step by Step Solution
- Step 1: Write the proportion equation
2,107,975.62 : 3,161,490.30 = 969,644.55 : x - Step 2: Convert to fraction form
2,107,975.62/3,161,490.30 = 969,644.55/x - Step 3: Cross multiply
2,107,975.62x = 3,161,490.30 × 969,644.55 - Step 4: Simplify right side
2,107,975.62x = 3,065,521,839,272.87 - Step 5: Solve for x
x = 3,065,521,839,272.87/2,107,975.62 - Step 6: Final answer
x = 1,454,249.19
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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.