Finding the Fourth Proportional to 2,628,234.68, 3,942,778.08 and 1,029,931.16
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Solution
The fourth proportional to 2,628,234.68, 3,942,778.08 and 1,029,931.16 is: 1,545,063.70
Step by Step Solution
- Step 1: Write the proportion equation
2,628,234.68 : 3,942,778.08 = 1,029,931.16 : x - Step 2: Convert to fraction form
2,628,234.68/3,942,778.08 = 1,029,931.16/x - Step 3: Cross multiply
2,628,234.68x = 3,942,778.08 × 1,029,931.16 - Step 4: Simplify right side
2,628,234.68x = 4,060,790,001,556.97 - Step 5: Solve for x
x = 4,060,790,001,556.97/2,628,234.68 - Step 6: Final answer
x = 1,545,063.70
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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.