Finding the Fourth Proportional to 3,810,211.28, 5,716,312.84 and 2,211,237.28
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Solution
The fourth proportional to 3,810,211.28, 5,716,312.84 and 2,211,237.28 is: 3,317,433.90
Step by Step Solution
- Step 1: Write the proportion equation
3,810,211.28 : 5,716,312.84 = 2,211,237.28 : x - Step 2: Convert to fraction form
3,810,211.28/5,716,312.84 = 2,211,237.28/x - Step 3: Cross multiply
3,810,211.28x = 5,716,312.84 × 2,211,237.28 - Step 4: Simplify right side
3,810,211.28x = 12,640,124,055,950.67 - Step 5: Solve for x
x = 12,640,124,055,950.67/3,810,211.28 - Step 6: Final answer
x = 3,317,433.90
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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.