Finding the Fourth Proportional to 3,878,872.49, 5,352,843.99 and 2,248,225.69
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Solution
The fourth proportional to 3,878,872.49, 5,352,843.99 and 2,248,225.69 is: 3,102,551.43
Step by Step Solution
- Step 1: Write the proportion equation
3,878,872.49 : 5,352,843.99 = 2,248,225.69 : x - Step 2: Convert to fraction form
3,878,872.49/5,352,843.99 = 2,248,225.69/x - Step 3: Cross multiply
3,878,872.49x = 5,352,843.99 × 2,248,225.69 - Step 4: Simplify right side
3,878,872.49x = 12,034,401,372,880.10 - Step 5: Solve for x
x = 12,034,401,372,880.10/3,878,872.49 - Step 6: Final answer
x = 3,102,551.43
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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.