Finding the Fourth Proportional to 3,581,585.64, 5,369,001.30 and 1,782,768.42
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Solution
The fourth proportional to 3,581,585.64, 5,369,001.30 and 1,782,768.42 is: 2,672,471.62
Step by Step Solution
- Step 1: Write the proportion equation
3,581,585.64 : 5,369,001.30 = 1,782,768.42 : x - Step 2: Convert to fraction form
3,581,585.64/5,369,001.30 = 1,782,768.42/x - Step 3: Cross multiply
3,581,585.64x = 5,369,001.30 × 1,782,768.42 - Step 4: Simplify right side
3,581,585.64x = 9,571,685,964,578.95 - Step 5: Solve for x
x = 9,571,685,964,578.95/3,581,585.64 - Step 6: Final answer
x = 2,672,471.62
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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.