Finding the Fourth Proportional to 1,975,846.62, 2,726,793.75 and 1,211,796.06
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Solution
The fourth proportional to 1,975,846.62, 2,726,793.75 and 1,211,796.06 is: 1,672,355.48
Step by Step Solution
- Step 1: Write the proportion equation
1,975,846.62 : 2,726,793.75 = 1,211,796.06 : x - Step 2: Convert to fraction form
1,975,846.62/2,726,793.75 = 1,211,796.06/x - Step 3: Cross multiply
1,975,846.62x = 2,726,793.75 × 1,211,796.06 - Step 4: Simplify right side
1,975,846.62x = 3,304,317,922,682.63 - Step 5: Solve for x
x = 3,304,317,922,682.63/1,975,846.62 - Step 6: Final answer
x = 1,672,355.48
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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.