Finding the Fourth Proportional to 2,213,438.57, 3,321,122.76 and 775,153.76
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Solution
The fourth proportional to 2,213,438.57, 3,321,122.76 and 775,153.76 is: 1,163,068.54
Step by Step Solution
- Step 1: Write the proportion equation
2,213,438.57 : 3,321,122.76 = 775,153.76 : x - Step 2: Convert to fraction form
2,213,438.57/3,321,122.76 = 775,153.76/x - Step 3: Cross multiply
2,213,438.57x = 3,321,122.76 × 775,153.76 - Step 4: Simplify right side
2,213,438.57x = 2,574,380,778,229.96 - Step 5: Solve for x
x = 2,574,380,778,229.96/2,213,438.57 - Step 6: Final answer
x = 1,163,068.54
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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.