Finding the Fourth Proportional to 3,578,275.05, 4,937,907.06 and 1,946,640.62
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Solution
The fourth proportional to 3,578,275.05, 4,937,907.06 and 1,946,640.62 is: 2,686,302.84
Step by Step Solution
- Step 1: Write the proportion equation
3,578,275.05 : 4,937,907.06 = 1,946,640.62 : x - Step 2: Convert to fraction form
3,578,275.05/4,937,907.06 = 1,946,640.62/x - Step 3: Cross multiply
3,578,275.05x = 4,937,907.06 × 1,946,640.62 - Step 4: Simplify right side
3,578,275.05x = 9,612,330,436,091.24 - Step 5: Solve for x
x = 9,612,330,436,091.24/3,578,275.05 - Step 6: Final answer
x = 2,686,302.84
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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.