Finding the Fourth Proportional to 1,627,969.68, 2,246,740.20 and 948,891.60
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Solution
The fourth proportional to 1,627,969.68, 2,246,740.20 and 948,891.60 is: 1,309,553.20
Step by Step Solution
- Step 1: Write the proportion equation
1,627,969.68 : 2,246,740.20 = 948,891.60 : x - Step 2: Convert to fraction form
1,627,969.68/2,246,740.20 = 948,891.60/x - Step 3: Cross multiply
1,627,969.68x = 2,246,740.20 × 948,891.60 - Step 4: Simplify right side
1,627,969.68x = 2,131,912,903,162.32 - Step 5: Solve for x
x = 2,131,912,903,162.32/1,627,969.68 - Step 6: Final answer
x = 1,309,553.20
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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.