Finding the Fourth Proportional to 1,480,885.42, 2,221,411.22 and 415,844.44
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Solution
The fourth proportional to 1,480,885.42, 2,221,411.22 and 415,844.44 is: 623,789.99
Step by Step Solution
- Step 1: Write the proportion equation
1,480,885.42 : 2,221,411.22 = 415,844.44 : x - Step 2: Convert to fraction form
1,480,885.42/2,221,411.22 = 415,844.44/x - Step 3: Cross multiply
1,480,885.42x = 2,221,411.22 × 415,844.44 - Step 4: Simplify right side
1,480,885.42x = 923,761,504,790.62 - Step 5: Solve for x
x = 923,761,504,790.62/1,480,885.42 - Step 6: Final answer
x = 623,789.99
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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.