Finding the Fourth Proportional to 3,485,305.80, 5,227,958.70 and 926,515.80
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Solution
The fourth proportional to 3,485,305.80, 5,227,958.70 and 926,515.80 is: 1,389,773.70
Step by Step Solution
- Step 1: Write the proportion equation
3,485,305.80 : 5,227,958.70 = 926,515.80 : x - Step 2: Convert to fraction form
3,485,305.80/5,227,958.70 = 926,515.80/x - Step 3: Cross multiply
3,485,305.80x = 5,227,958.70 × 926,515.80 - Step 4: Simplify right side
3,485,305.80x = 4,843,786,337,297.46 - Step 5: Solve for x
x = 4,843,786,337,297.46/3,485,305.80 - Step 6: Final answer
x = 1,389,773.70
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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.