Finding the Fourth Proportional to 1,480,888.68, 2,221,416.09 and 415,847.69
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Solution
The fourth proportional to 1,480,888.68, 2,221,416.09 and 415,847.69 is: 623,794.85
Step by Step Solution
- Step 1: Write the proportion equation
1,480,888.68 : 2,221,416.09 = 415,847.69 : x - Step 2: Convert to fraction form
1,480,888.68/2,221,416.09 = 415,847.69/x - Step 3: Cross multiply
1,480,888.68x = 2,221,416.09 × 415,847.69 - Step 4: Simplify right side
1,480,888.68x = 923,770,738,448.25 - Step 5: Solve for x
x = 923,770,738,448.25/1,480,888.68 - Step 6: Final answer
x = 623,794.85
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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.