Finding the Fourth Proportional to 1,775,680.98, 2,448,805.56 and 1,163,611.44
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Solution
The fourth proportional to 1,775,680.98, 2,448,805.56 and 1,163,611.44 is: 1,604,712.89
Step by Step Solution
- Step 1: Write the proportion equation
1,775,680.98 : 2,448,805.56 = 1,163,611.44 : x - Step 2: Convert to fraction form
1,775,680.98/2,448,805.56 = 1,163,611.44/x - Step 3: Cross multiply
1,775,680.98x = 2,448,805.56 × 1,163,611.44 - Step 4: Simplify right side
1,775,680.98x = 2,849,458,163,951.61 - Step 5: Solve for x
x = 2,849,458,163,951.61/1,775,680.98 - Step 6: Final answer
x = 1,604,712.89
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1.5x scale
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.