Finding the Fourth Proportional to 3,880,392.38, 5,355,062.88 and 2,226,842.00
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Solution
The fourth proportional to 3,880,392.38, 5,355,062.88 and 2,226,842.00 is: 3,073,111.62
Step by Step Solution
- Step 1: Write the proportion equation
3,880,392.38 : 5,355,062.88 = 2,226,842.00 : x - Step 2: Convert to fraction form
3,880,392.38/5,355,062.88 = 2,226,842.00/x - Step 3: Cross multiply
3,880,392.38x = 5,355,062.88 × 2,226,842.00 - Step 4: Simplify right side
3,880,392.38x = 11,924,878,907,049.65 - Step 5: Solve for x
x = 11,924,878,907,049.65/3,880,392.38 - Step 6: Final answer
x = 3,073,111.62
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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.