Finding the Fourth Proportional to 1,845,276.80, 2,767,915.20 and 994,971.20
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Solution
The fourth proportional to 1,845,276.80, 2,767,915.20 and 994,971.20 is: 1,492,456.80
Step by Step Solution
- Step 1: Write the proportion equation
1,845,276.80 : 2,767,915.20 = 994,971.20 : x - Step 2: Convert to fraction form
1,845,276.80/2,767,915.20 = 994,971.20/x - Step 3: Cross multiply
1,845,276.80x = 2,767,915.20 × 994,971.20 - Step 4: Simplify right side
1,845,276.80x = 2,753,995,908,042.24 - Step 5: Solve for x
x = 2,753,995,908,042.24/1,845,276.80 - Step 6: Final answer
x = 1,492,456.80
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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.