Finding the Fourth Proportional to 2,079,153.36, 2,869,241.60 and 1,161,421.18
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Solution
The fourth proportional to 2,079,153.36, 2,869,241.60 and 1,161,421.18 is: 1,602,766.79
Step by Step Solution
- Step 1: Write the proportion equation
2,079,153.36 : 2,869,241.60 = 1,161,421.18 : x - Step 2: Convert to fraction form
2,079,153.36/2,869,241.60 = 1,161,421.18/x - Step 3: Cross multiply
2,079,153.36x = 2,869,241.60 × 1,161,421.18 - Step 4: Simplify right side
2,079,153.36x = 3,332,397,960,507.54 - Step 5: Solve for x
x = 3,332,397,960,507.54/2,079,153.36 - Step 6: Final answer
x = 1,602,766.79
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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.