Finding the Fourth Proportional to 5,719,511.52, 8,579,260.37 and 1,459,680.21
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Solution
The fourth proportional to 5,719,511.52, 8,579,260.37 and 1,459,680.21 is: 2,189,518.55
Step by Step Solution
- Step 1: Write the proportion equation
5,719,511.52 : 8,579,260.37 = 1,459,680.21 : x - Step 2: Convert to fraction form
5,719,511.52/8,579,260.37 = 1,459,680.21/x - Step 3: Cross multiply
5,719,511.52x = 8,579,260.37 × 1,459,680.21 - Step 4: Simplify right side
5,719,511.52x = 12,522,976,535,629.97 - Step 5: Solve for x
x = 12,522,976,535,629.97/5,719,511.52 - Step 6: Final answer
x = 2,189,518.55
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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.