Finding the Fourth Proportional to 3,818,230.20, 5,727,215.70 and 978,370.20
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Solution
The fourth proportional to 3,818,230.20, 5,727,215.70 and 978,370.20 is: 1,467,522.09
Step by Step Solution
- Step 1: Write the proportion equation
3,818,230.20 : 5,727,215.70 = 978,370.20 : x - Step 2: Convert to fraction form
3,818,230.20/5,727,215.70 = 978,370.20/x - Step 3: Cross multiply
3,818,230.20x = 5,727,215.70 × 978,370.20 - Step 4: Simplify right side
3,818,230.20x = 5,603,337,169,852.14 - Step 5: Solve for x
x = 5,603,337,169,852.14/3,818,230.20 - Step 6: Final answer
x = 1,467,522.09
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1.5x scale
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.