Finding the Fourth Proportional to 4,990,108.80, 7,481,944.99 and 1,957,781.14
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Solution
The fourth proportional to 4,990,108.80, 7,481,944.99 and 1,957,781.14 is: 2,935,409.10
Step by Step Solution
- Step 1: Write the proportion equation
4,990,108.80 : 7,481,944.99 = 1,957,781.14 : x - Step 2: Convert to fraction form
4,990,108.80/7,481,944.99 = 1,957,781.14/x - Step 3: Cross multiply
4,990,108.80x = 7,481,944.99 × 1,957,781.14 - Step 4: Simplify right side
4,990,108.80x = 14,648,010,791,939.49 - Step 5: Solve for x
x = 14,648,010,791,939.49/4,990,108.80 - Step 6: Final answer
x = 2,935,409.10
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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.