Finding the Fourth Proportional to 5,214,199.39, 7,196,336.68 and 2,891,608.46
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Solution
The fourth proportional to 5,214,199.39, 7,196,336.68 and 2,891,608.46 is: 3,990,830.90
Step by Step Solution
- Step 1: Write the proportion equation
5,214,199.39 : 7,196,336.68 = 2,891,608.46 : x - Step 2: Convert to fraction form
5,214,199.39/7,196,336.68 = 2,891,608.46/x - Step 3: Cross multiply
5,214,199.39x = 7,196,336.68 × 2,891,608.46 - Step 4: Simplify right side
5,214,199.39x = 20,808,988,024,896.31 - Step 5: Solve for x
x = 20,808,988,024,896.31/5,214,199.39 - Step 6: Final answer
x = 3,990,830.90
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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.