Finding the Fourth Proportional to 3,368,902.18, 4,649,559.16 and 2,144,816.68
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Solution
The fourth proportional to 3,368,902.18, 4,649,559.16 and 2,144,816.68 is: 2,960,148.89
Step by Step Solution
- Step 1: Write the proportion equation
3,368,902.18 : 4,649,559.16 = 2,144,816.68 : x - Step 2: Convert to fraction form
3,368,902.18/4,649,559.16 = 2,144,816.68/x - Step 3: Cross multiply
3,368,902.18x = 4,649,559.16 × 2,144,816.68 - Step 4: Simplify right side
3,368,902.18x = 9,972,452,041,014.79 - Step 5: Solve for x
x = 9,972,452,041,014.79/3,368,902.18 - Step 6: Final answer
x = 2,960,148.89
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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.