Finding the Fourth Proportional to 1,649,909.70, 2,474,864.55 and 1,450,455.30
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Solution
The fourth proportional to 1,649,909.70, 2,474,864.55 and 1,450,455.30 is: 2,175,682.95
Step by Step Solution
- Step 1: Write the proportion equation
1,649,909.70 : 2,474,864.55 = 1,450,455.30 : x - Step 2: Convert to fraction form
1,649,909.70/2,474,864.55 = 1,450,455.30/x - Step 3: Cross multiply
1,649,909.70x = 2,474,864.55 × 1,450,455.30 - Step 4: Simplify right side
1,649,909.70x = 3,589,680,403,329.62 - Step 5: Solve for x
x = 3,589,680,403,329.62/1,649,909.70 - Step 6: Final answer
x = 2,175,682.95
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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.