Finding the Fourth Proportional to 1,560,995.40, 2,340,326.70 and 851,824.20
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Solution
The fourth proportional to 1,560,995.40, 2,340,326.70 and 851,824.20 is: 1,277,099.80
Step by Step Solution
- Step 1: Write the proportion equation
1,560,995.40 : 2,340,326.70 = 851,824.20 : x - Step 2: Convert to fraction form
1,560,995.40/2,340,326.70 = 851,824.20/x - Step 3: Cross multiply
1,560,995.40x = 2,340,326.70 × 851,824.20 - Step 4: Simplify right side
1,560,995.40x = 1,993,546,918,966.14 - Step 5: Solve for x
x = 1,993,546,918,966.14/1,560,995.40 - Step 6: Final answer
x = 1,277,099.80
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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.