Finding the Fourth Proportional to 3,210,910.87, 4,806,918.45 and 2,143,304.95
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Solution
The fourth proportional to 3,210,910.87, 4,806,918.45 and 2,143,304.95 is: 3,208,650.92
Step by Step Solution
- Step 1: Write the proportion equation
3,210,910.87 : 4,806,918.45 = 2,143,304.95 : x - Step 2: Convert to fraction form
3,210,910.87/4,806,918.45 = 2,143,304.95/x - Step 3: Cross multiply
3,210,910.87x = 4,806,918.45 × 2,143,304.95 - Step 4: Simplify right side
3,210,910.87x = 10,302,692,096,114.03 - Step 5: Solve for x
x = 10,302,692,096,114.03/3,210,910.87 - Step 6: Final answer
x = 3,208,650.92
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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.