Finding the Fourth Proportional to 1,645,759.80, 2,468,639.70 and 805,951.80
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Solution
The fourth proportional to 1,645,759.80, 2,468,639.70 and 805,951.80 is: 1,208,927.70
Step by Step Solution
- Step 1: Write the proportion equation
1,645,759.80 : 2,468,639.70 = 805,951.80 : x - Step 2: Convert to fraction form
1,645,759.80/2,468,639.70 = 805,951.80/x - Step 3: Cross multiply
1,645,759.80x = 2,468,639.70 × 805,951.80 - Step 4: Simplify right side
1,645,759.80x = 1,989,604,609,766.46 - Step 5: Solve for x
x = 1,989,604,609,766.46/1,645,759.80 - Step 6: Final answer
x = 1,208,927.70
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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.