Finding the Fourth Proportional to 3,406,228.49, 4,700,380.84 and 1,954,902.48
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Solution
The fourth proportional to 3,406,228.49, 4,700,380.84 and 1,954,902.48 is: 2,697,642.33
Step by Step Solution
- Step 1: Write the proportion equation
3,406,228.49 : 4,700,380.84 = 1,954,902.48 : x - Step 2: Convert to fraction form
3,406,228.49/4,700,380.84 = 1,954,902.48/x - Step 3: Cross multiply
3,406,228.49x = 4,700,380.84 × 1,954,902.48 - Step 4: Simplify right side
3,406,228.49x = 9,188,786,156,173.23 - Step 5: Solve for x
x = 9,188,786,156,173.23/3,406,228.49 - Step 6: Final answer
x = 2,697,642.33
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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.