Finding the Fourth Proportional to 3,122,720.28, 4,684,082.04 and 878,858.28
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Solution
The fourth proportional to 3,122,720.28, 4,684,082.04 and 878,858.28 is: 1,318,287.88
Step by Step Solution
- Step 1: Write the proportion equation
3,122,720.28 : 4,684,082.04 = 878,858.28 : x - Step 2: Convert to fraction form
3,122,720.28/4,684,082.04 = 878,858.28/x - Step 3: Cross multiply
3,122,720.28x = 4,684,082.04 × 878,858.28 - Step 4: Simplify right side
3,122,720.28x = 4,116,644,285,053.29 - Step 5: Solve for x
x = 4,116,644,285,053.29/3,122,720.28 - Step 6: Final answer
x = 1,318,287.88
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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.