Finding the Fourth Proportional to 4,202,639.88, 6,304,880.76 and 1,363,039.08
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Solution
The fourth proportional to 4,202,639.88, 6,304,880.76 and 1,363,039.08 is: 2,044,857.31
Step by Step Solution
- Step 1: Write the proportion equation
4,202,639.88 : 6,304,880.76 = 1,363,039.08 : x - Step 2: Convert to fraction form
4,202,639.88/6,304,880.76 = 1,363,039.08/x - Step 3: Cross multiply
4,202,639.88x = 6,304,880.76 × 1,363,039.08 - Step 4: Simplify right side
4,202,639.88x = 8,593,798,870,620.10 - Step 5: Solve for x
x = 8,593,798,870,620.10/4,202,639.88 - Step 6: Final answer
x = 2,044,857.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.