Finding the Fourth Proportional to 5,192,197.92, 7,165,232.70 and 2,900,358.54
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Solution
The fourth proportional to 5,192,197.92, 7,165,232.70 and 2,900,358.54 is: 4,002,494.55
Step by Step Solution
- Step 1: Write the proportion equation
5,192,197.92 : 7,165,232.70 = 2,900,358.54 : x - Step 2: Convert to fraction form
5,192,197.92/7,165,232.70 = 2,900,358.54/x - Step 3: Cross multiply
5,192,197.92x = 7,165,232.70 × 2,900,358.54 - Step 4: Simplify right side
5,192,197.92x = 20,781,743,852,532.26 - Step 5: Solve for x
x = 20,781,743,852,532.26/5,192,197.92 - Step 6: Final answer
x = 4,002,494.55
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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.