Finding the Fourth Proportional to 3,369,504.42, 4,649,378.54 and 1,919,228.18
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Solution
The fourth proportional to 3,369,504.42, 4,649,378.54 and 1,919,228.18 is: 2,648,228.69
Step by Step Solution
- Step 1: Write the proportion equation
3,369,504.42 : 4,649,378.54 = 1,919,228.18 : x - Step 2: Convert to fraction form
3,369,504.42/4,649,378.54 = 1,919,228.18/x - Step 3: Cross multiply
3,369,504.42x = 4,649,378.54 × 1,919,228.18 - Step 4: Simplify right side
3,369,504.42x = 8,923,218,280,612.23 - Step 5: Solve for x
x = 8,923,218,280,612.23/3,369,504.42 - Step 6: Final answer
x = 2,648,228.69
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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.