Finding the Fourth Proportional to 2,631,811.97, 3,942,210.94 and 2,116,693.08
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Solution
The fourth proportional to 2,631,811.97, 3,942,210.94 and 2,116,693.08 is: 3,170,610.48
Step by Step Solution
- Step 1: Write the proportion equation
2,631,811.97 : 3,942,210.94 = 2,116,693.08 : x - Step 2: Convert to fraction form
2,631,811.97/3,942,210.94 = 2,116,693.08/x - Step 3: Cross multiply
2,631,811.97x = 3,942,210.94 × 2,116,693.08 - Step 4: Simplify right side
2,631,811.97x = 8,344,450,611,306.56 - Step 5: Solve for x
x = 8,344,450,611,306.56/2,631,811.97 - Step 6: Final answer
x = 3,170,610.48
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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.