Finding the Fourth Proportional to 1,518,438.14, 2,095,344.78 and 873,754.28
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Solution
The fourth proportional to 1,518,438.14, 2,095,344.78 and 873,754.28 is: 1,205,723.45
Step by Step Solution
- Step 1: Write the proportion equation
1,518,438.14 : 2,095,344.78 = 873,754.28 : x - Step 2: Convert to fraction form
1,518,438.14/2,095,344.78 = 873,754.28/x - Step 3: Cross multiply
1,518,438.14x = 2,095,344.78 × 873,754.28 - Step 4: Simplify right side
1,518,438.14x = 1,830,816,469,600.66 - Step 5: Solve for x
x = 1,830,816,469,600.66/1,518,438.14 - Step 6: Final answer
x = 1,205,723.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.