Finding the Fourth Proportional to 3,210,912.49, 4,806,920.88 and 2,143,306.57
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Solution
The fourth proportional to 3,210,912.49, 4,806,920.88 and 2,143,306.57 is: 3,208,653.35
Step by Step Solution
- Step 1: Write the proportion equation
3,210,912.49 : 4,806,920.88 = 2,143,306.57 : x - Step 2: Convert to fraction form
3,210,912.49/4,806,920.88 = 2,143,306.57/x - Step 3: Cross multiply
3,210,912.49x = 4,806,920.88 × 2,143,306.57 - Step 4: Simplify right side
3,210,912.49x = 10,302,705,103,574.18 - Step 5: Solve for x
x = 10,302,705,103,574.18/3,210,912.49 - Step 6: Final answer
x = 3,208,653.35
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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.