Finding the Fourth Proportional to 1,874,489.20, 2,586,807.36 and 1,015,049.50
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Solution
The fourth proportional to 1,874,489.20, 2,586,807.36 and 1,015,049.50 is: 1,400,774.95
Step by Step Solution
- Step 1: Write the proportion equation
1,874,489.20 : 2,586,807.36 = 1,015,049.50 : x - Step 2: Convert to fraction form
1,874,489.20/2,586,807.36 = 1,015,049.50/x - Step 3: Cross multiply
1,874,489.20x = 2,586,807.36 × 1,015,049.50 - Step 4: Simplify right side
1,874,489.20x = 2,625,737,517,364.32 - Step 5: Solve for x
x = 2,625,737,517,364.32/1,874,489.20 - Step 6: Final answer
x = 1,400,774.95
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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.